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BMRU

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BMRU

Schaller-patented vintage-style bass tuner. State of the art, highest precision, counterfort-mount. Gear ratio 1:20.

  • All parts are precision-crafted and surface-finished, the self-locking drive ensures an even, delicate and steady tuning.
  • All string posts are made of high-grade brass and fitted into the housing with utmost precision, ensuring the best possible tuning accuracy and wear resistance.
  • Besides the standard combinations (e.g. 4-in-line or 2/2), all tuner sets may also be ordered with any quantity of left and right tuners.

Features

  • Bore mm: 17.5
  • Weight g/item: 98
  • Ratio: 1 : 20
  • Buttons: BM
  • Surface: Ruthenium
  • Mounting: 4 Srews/Thrust bearing
  • Finish: Hand-polished
  • Model: Open-2 left + 2 right
Item number
524RU

Versions

Model ArtNo. Bore mmWeight g/itemRatioButtonsSurfaceMountingFinishModel
BMNI 		535 17.5 98 1 : 20 BM Nickel 4 Srews/Thrust bearing Hand-polished Open-2 left + 2 right
BM5NI 		570 17.5 98 1 : 20 BM Nickel 4 Srews/Thrust bearing Hand-polished Open-3 left + 2 right
BMNIL 		534 17.5 98 1 : 20 BM Nickel 4 Srews/Thrust bearing Hand-polished Open-4 left
BMCH 		527 17.5 98 1 : 20 BM Chrome 4 Srews/Thrust bearing Hand-polished Open-2 left + 2 right
BM5CH 		571 17.5 98 1 : 20 BM Chrome 4 Srews/Thrust bearing Hand-polished Open-3 left + 2 right
BMCHL 		528 17.5 98 1 : 20 BM Chrome 4 Srews/Thrust bearing Hand-polished Open-4 left
BMSC 		527MC 17.5 98 1 : 20 BM SatinChrome 4 Srews/Thrust bearing Machine-polished Open-2 left + 2 right
BM5SC 		571MC 17.5 98 1 : 20 BM SatinChrome 4 Srews/Thrust bearing Machine-polished Open-3 left + 2 right
BMSCL 		528MC 17.5 98 1 : 20 BM SatinChrome 4 Srews/Thrust bearing Machine-polished Open-4 left
BMBC 		1527 17.5 98 1 : 20 BM BlackChrome 4 Srews/Thrust bearing Machine-polished Open-2 left + 2 right
BM5BC 		1570 17.5 98 1 : 20 BM BlackChrome 4 Srews/Thrust bearing Machine-polished Open-3 left + 2 right
BMBCL 		1528 17.5 98 1 : 20 BM BlackChrome 4 Srews/Thrust bearing Machine-polished Open-4 left
BMGO 		524 17.5 98 1 : 20 BM Gold 4 Srews/Thrust bearing Hand-polished Open-2 left + 2 right
BM5GO 		572 17.5 98 1 : 20 BM Gold 4 Srews/Thrust bearing Hand-polished Open-3 left + 2 right
BMGOL 		526 17.5 98 1 : 20 BM Gold 4 Srews/Thrust bearing Hand-polished Open-4 left
BMRU 		524RU 17.5 98 1 : 20 BM Ruthenium 4 Srews/Thrust bearing Hand-polished Open-2 left + 2 right
BM5RU 		572RU 17.5 98 1 : 20 BM Ruthenium 4 Srews/Thrust bearing Hand-polished Open-3 left + 2 right
BMRUL 		526RU 17.5 98 1 : 20 BM Ruthenium 4 Srews/Thrust bearing Hand-polished Open-4 left
BMSP 		5354 17.5 98 1 : 20 BM SatinPearl 4 Srews/Thrust bearing Machine-polished Open-2 left + 2 right
BM5SP 		5704 17.5 98 1 : 20 BM SatinPearl 4 Srews/Thrust bearing Machine-polished Open-3 left + 2 right
BMSPL 		5344 17.5 98 1 : 20 BM SatinPearl 4 Srews/Thrust bearing Machine-polished Open-4 left
BMVC 		5355 17.5 98 1 : 20 BM VintageCopper 4 Srews/Thrust bearing Hand-polished Open-2 left + 2 right
BM5VC 		5705 17.5 98 1 : 20 BM VintageCopper 4 Srews/Thrust bearing Hand-polished Open-3 left + 2 right
BMVCL 		5346 17.5 98 1 : 20 BM VintageCopper 4 Srews/Thrust bearing Hand-polished Open-4 left

Images

Technical drawing

To view the complete technical drawing, please use the download file.

Note: Acrobat Reader is required to view PDF files correctly!

User instructions

To view the complete user instructions, please use the download file.

Note: Acrobat Reader is required to view PDF files correctly!

Downloads

User instructions

Technical drawing

Note: Acrobat Reader is required to view PDF files correctly!

Machine Heads combination

Here are all conceivable combinations of left and right tuning heads and the desired numbers of each which are available to order.
All machine heads and buttons can also be ordered individually.

Kopfplatte 2-2Kopfplatte 3-1Kopfplatte 3-2
Headstock 2-2Headstock 3-1Headstock 3-2
Kopfplatte 4-0Kopfplatte 4-1Kopfplatte 4-2
Headstock 4-0Headstock 4-1Headstock 4- 2
Kopfplatte 4-3Kopfplatte 5-0Kopfplatte 5-1
Headstock 4-3Headstock 5-0Headstock 5-1
Kopfplatte 5-2Kopfplatte 6-0Kopfplatte 6-1
Headstock 5-2Headstock 6-0Headstock 6-1
Kopfplatte 7-0Kopfplatte Les Paul
Headstock 7-0Headstock Les Paul
 

Here you will find some additional, useful information about our Schaller product catalog.

Surface finishing

This Schaller M6 locking machine head is an example of the subtle differences between various surface finishes.

Schaller-Oberflächen M6 Klemmmechanik M6 Klemmmechanik
NI-NickelCH-ChromeSC-SatinChrome
M6 Klemmmechanik Schaller-Oberflächen M6 Klemmmechanik
BC-BlackChromeGO-GoldRU-Ruthenium
M6 2000 Locking Satin Pearl M6 2000 Locking Vintage-Copper

 SP-SatinPearl

 VC-VintageCopper

Here you can see our high-quality plating in direct comparison:

M6 2000 Locking all colours

NI-Nickel, CH-Chrome, SC-Satinchrome, BC-Blackchrome, GO-Gold, RU-Ruthenium, SP-SatinPearl, VC-VintageCopper.

To view a larger image of a product with each finish, click on the desired product in the "Versions" tab in the product catalog, and then switch to the "Description" tab. The image shown here can then be enlarged by clicking on it.

Measure specifications

All measurements in the product catalogue are given in mm (inch), unless a different unit of measurement is stated.

 

Technical drawings and operating instructions

We do not accept any liability for the correctness of the technical drawings. Prior to installation, please measure for yourself once more, so you can consider regular manufacturing tolerances.

Please note that the technical data can also vary slightly, depending on the surface color. This is due to the difference in the galvanic coating and the galvanic layering, which depends on the color (nickel, chrome etc).

The technical drawings can be printed on one page width. Should the technical drawings not fit on one page, however, please check your print page setup (note: they can be several pages long).

From time to time, the measurements given in the file downloads on our website may differ from those given in the catalogue. Please bear in mind that the measurements given in the online downloads are current. Any discrepancies will be corrected when the catalogue is updated.

Technical Drawings Schaller Machine Head M6

 

M6 Industrial version

Here you can see our Schaller M6 Machine Head industrial version "J", with a 135 degree bracket or "PIN" for guitar manufacturers. Please contact us directly.

Industrievarianten 1

Industrievarianten 2

 

Housings Machine Heads

Two different housings are available for some machine heads: The “J” shape, for external mounting via screws; and “Pin”, for locking on the head plate. The difference can be seen in the following images:

Mechanik in Mechanik mit PinMechanik mit Pin

Version "J"-Shape

Version with Pin

Version with Pin


The following table provides the type of attachment and axis diameter for all Schaller machine heads in mm (inch). Several machine heads come in different versions.


Machine HeadsBracketsPinDiameter of bore holes for axisThickness of
headplate
from - to
M6-Series180°9,8 (0,3858)

11,0 - 18,0 (0,4331-0,7087)

M6-Series Industry
135°
9,8 (0,3858)11,0 - 18,0 (0,4331-0,7087)
M6-Series Pin
-
1
9,8 (0,3858)11,0 - 18,0 (0,4331-0,7087)
M6 Mini Series90°9,8 (0,3858)11,0 - 15,5 (0,4331-0,6102)

M6 Mini Series

90° + 270°9,8 (0,3858)11,0 - 15,5 (0,4331-0,6102)
M6 Light Nylon90° + 270°9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
M6 Locking Machine Heads135°9,8 (0,3858)11,0 - 15,5 (0,4331-0,6102)

M6 Locking Machine Heads Pin

-19,8 (0,3858)11,0 - 15,5 (0,4331-0,6102)
M6 Mini Top Mount Locking

 90°

 

 9,8 (0,3858)

 11,0 - 15,0 (0,4331-0,5906)

M6 Top Mount Locking180°9,8 (0,3858)11,0 - 15,5 (0,4331-0,6102)
M6-Vintage90° centered9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
Classic Deluxe "Gibson-Style"-
9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
Classic Deluxe "Fender-Style"-
9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
ST62 screws9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
ST6K2 screws9,8 (0,3858)11,0 - 16,0 (0,4331-0,6299)
ST6B2 screws8,3 (03268)11,0 - 16,0 (0,4331-0,6299)
ST6 Vintage

 2 screws

 9,8 (0,3858)

 11,0 - 16,0 (0,4331-0,6299)

BM Series4 screws17,5 (0,6890)11,0 - 15,0 (0,4331-0,5906)
BMFL Series4 screws17,5 (0,6890)11,0 - 15,0 (0,4331-0,5906)
BM Light Bass -217,0 (0,6693)11,0 - 15,5 (0,4331-0,6102)
M4S Series Bass-217,0 (0,6693)11,0 - 15,5 (0,4331-0,6102)
M4 Series Bass180°-12,0 (0,4724)14,0 - 19,0 (0,5512-0,7480)
M4-2000 Series Bass 180°-12,0 (0,4724)15,0 - 19,0 (0,5906-0,7480)

M4-2000 Series Bass Pin

-
112,0 (0,4724)15,0 - 19,0 (0,5906-0,7480)

M4-2000 Series Bass Industry

90° centered-
12,0 (0,4724)15,0 - 19,0 (0,5906-0,7480)

Some image examples:

Bracket 90 degreesBracked 90 degrees centeredBracket 135 degrees
Bracket 180 degrees2 screws centered2 screws offset
2 srews4 screws2 brackets 90/270 degrees offset

All machine heads and buttons can also be ordered individually.


Shaft lengths

The following table provides the shaft length or, more precisely, the distance between housing and bore hole for the string for all Schaller machine heads:

Typ Machine Heads123456inch
M6 Series3/324,024,024,024,024,024,00,9449
6 in line
M6 Series Industry (135°)
3/3
24,024,024,024,024,024,00,9449
6 in line
M6 Series Pin
3/324,024,024,024,024,024,00,9449
6 in line
M6 Mini Series3/324,024,024,024,024,024,0 0,9449
6 in line
M6 Light Nylon3/324,024,024,024,024,024,00,9449
6/6
6 in line
M6 Locking Machine Heads

 3/3

 19,5

 19,5

 19,5

 19,5

 19,5

 19,5

 0,7677

 6 in line

 19,5

 19,5

 19,5

 18,0

 18,0

 18,0

 0,7677 / 0,7283

M6 Mini Locking Machine Heads
Top Mount
3/3
19,519,519,519,519,519,50,7677
6 in line
M6 Locking Machine Heads
Top Mount

 3/3

 19,5

 19,5

 19,5

 19,5

 19,5

 19,5

 0,7677

 6 in line

M6-Vintage3/324,024,024,024,024,024,00,9449
6 in line
Classic Deluxe "Gibson-Style"
3/3
22,5
22,522,522,522,522,50,8858
6 in line
Classic Deluxe "Fender-Style"
3/3
22,522,522,522,522,522,50,8858
6 in line
ST63/322,522,522,522,522,522,50,8858
6 in line
ST6K3/324,024,024,024,024,024,00,9449
ST6B3/319,519,519,519,519,519,50,7677
ST6 Vintage3/322,022,022,022,022,022,00,8661
BM Series2/231,031,031,031,031,031,01,2205
3/2
4 in line
BMFL Series3/231,031,031,031,031,031,01,2205
4 in line
BM Light

 2/2

 33,0

 33,0

 33,0

 33,0

 33,0

 33,0

 1,2992

 3/2

 4 in line

M4S Series

 2/2

 33,0

 33,0

 33,0

 33,0

 33,0

 33,0

 1,2992

 4 in line

M4 Serie

 2/2

 32,0

 32,0

 32,0

 32,0

 32,0

 32,0

 1,2598

 3/2

 4 in line

M4 20002/232,032,032,032,032,032,01,2598
3/2
4 in line
String thickness

The following table shows the max. string thickness (in mm and inch) of the machine heads. 

Machine Heads
Shaft

Bore diameter Ø
(mm)

Sloth width

String thickness
max. (inch)

String thickness
max. (mm)
M6-Seriesh. /lg.
2,0
/
0,075
1,91
M6-Serie Industry (135°)
sh. /lg.2,0/
0,0751,91
M6-Serie Pin
sh. /lg.2,0/
0,0751,91
M6 Mini Seriesh. /lg.2,0/
0,0751,91
M6 with Nylon
sh. /lg.2,0/
0,0751,91
M6 Serie 2000 Locking
sh. /lg.1,5
/
0,050
1,27
M6 Serie 2000 Pin Locking
sh./ lg.
1,5
/
0,050
1,27
M6 Mini Top Mount-
-
/
-
1,5
M6 Top Mount-
1,7
/
0,054
1,37
M6 Vintage-
2,0
/
0,075
1,91
Classic Deluxe "Gibson-Style"Gibson
2,0
/
0,075
1,91
Classic Deluxe "Fender-Style"Fender
2,0
/
0,075
1,91
ST6-
2,0
/
0,075
1,91
ST6K-
2,0
/
0,075
1,91
ST6B-
2,0
/
0,075
1,91
ST6 Vintage-
-
/
-
1,91
BM Bass-Machine Heads-
/
3,4
0,105
2,67
BMFL Bass-Machine Heads-
/
3,4
0,105
2,67
BM Light Bass Machine Heads-
/
3,0
0,105
2,67
M4S Bass Machine Heads-
/
3,0
0,105
2,67
M4 Bass Machine Heads-
/
2,5
0,090
2,29
M4-2000 Bass Machine Heads-
/
2,5
0,090
2,29
Classic-Deluxe "Selmer-Style"
Selmer
2,0
/
0,075
1,91
Hauser
Nylon
2,2
/
0,085
2,16
Hauser
Emberger
2,0
/
0,075
1,91
Hauser
Gibson
2,0
/
0,075
1,91
MK
Kunststoffhülse
-
-
0,085
2,16
MK
Emberger
-
-
0,085
2,16
Standard
Nylon
-
-
0,085
2,16
Banjo B5
/
1,8
/
0,070
1,78
Banjo B4
/
1,5
/
0,060
1,52
Banjo B4 adjustable
/
0,9
/
0,036
0,91
Banjo B4 Excenter
-
-
-
0,075
1,91
Mandolin
Emberger
2,0
/
0,075
1,91
Mandolin
Gibson
2,0
/
0,075
1,91
Ukulele
/
2,0
/
0,075
1,91
Model
Shaft Length (in mm)
Standard
alternative
alternative
alternative 
slotted
Length
M6-Serie
24,022,0
18,0
21,0
Yes
23,0
M6-Serie Industry (135°)
24,022,018,021,0Yes23,0
M6-Serie Pin
24,022,018,021,0Yes23,0
M6 Mini Serie
24,022,018,021,0Yes23,0
M6 with Nylon Cover
24,022,018,021,0Yes23,0
M6 Serie 2000 (Locking)
19,5/18,0
21,0-
-
No
-
M6 Mini Top Mount
19,5
/
-
-
No-
M6 Top Mount
19,5
/
-
-
No-
M6-Vintage
24,022,018,021,0Yes23,0
Classic Deluxe "Gibson-Style"
22,5
/
-
-
Yes20,5 + 32,0
Classic Deluxe "Fender-Style"
22,5/
-
-
Yes20,5 + 32,0
ST6
22,5/
-
-
Yes20,5 + 32,0
ST6K
24,0
22,0
18,0
21,0
Yes23,0
ST6B
19,5
/
-
-
No-
ST6 Vintage
22,0
24,0 Emberger
18,0
21,0Yes23,0
BM Bass Machine Heads
31,0
/
-
-
-
-
BMFL Bass Machine Heads31,0
/
-
-
-
-
BM Light Bass Machine Heads33,0
/
-
-
-
-
M4S Bass  Machine Heads33,0
/
-
-
-
-
M4 Bass Machine Heads32,0
drilled 26,5 (NBE)
-
-
-
-
M4-2000 Bass Machine Heads32,0
drilled 26,5 (NBE)-
-
-
-

Machine Heads combination

Here are all conceivable combinations of left and right tuning heads and the desired numbers of each which are available to order.
All machine heads and buttons can also be ordered individually. All conceivable combinations are depicted here, irrespective of the type of guitar or bass.

Every other possible combination for 8-string / 12-string instruments etc. is also possible, of course.

For the sake of simplicity, the images show only one machine head of the relevant type, either as a left or right-side model. This means that a right-side machine head model may be depicted for the "6-in-line" combination; in such cases, however, the machine head can of course be ordered both as a left and right-side model.

Kopfplatte 2-2Kopfplatte 3-1Kopfplatte 3-2
Headstock 2-2Headstock 3-1Headstock 3-2
Kopfplatte 4-0Kopfplatte 4-1Kopfplatte 4-2
Headstock 4-0Headstock 4-1Headstock 4- 2
Kopfplatte 4-3Kopfplatte 5-0Kopfplatte 5-1
Headstock 4-3Headstock 5-0Headstock 5-1
Kopfplatte 5-2Kopfplatte 6-0Kopfplatte 6-1
Headstock 5-2Headstock 6-0Headstock 6-1
Kopfplatte 7-0Kopfplatte Les Paul
Headstock 7-0Headstock Les Paul
 

Shafts for classical machine heads

The use of the different shafts enables the classic machine heads to be adapted to the various instrument head plates. The right shafts are used for metal and gut/synthetic strings.  

Classical guitar and mandolin machine heads come with four different types of shaft:

1 = Nylon-shaft (brass with a plastic sleeve)
2 = Emberger shaft
3 = Gibson shaft
4 = Emberger shaft (brass with a plastic sleeve)

Shafts "2", "3" and "4" require the use of thrust bearings.

Shaft type 1 for Lyra and Hauser machine heads varies slightly from shaft type 1 for standard machine heads.

This image shows the different types of shaft and the choice of finishes available (nickel, chrome, gold, nylon shaft in white and black):

Schaller shafts for acoustic machine heads

All shafts can also generally be supplied in the eight different surface finishes available (see above).

 

Unless your order specifies otherwise, we deliver the following shafts as standard:

Model
Shaft
Classic Deluxe "Selmer-Style"
Emberger
Hauser
Shaft 1 white
Lyra
Shaft 1 white
MK
Shaft 4 black
MK Mini
Shaft 4 black
Standard
Shaft 1 white

 


This list shows the options available when selecting a shaft:

Nylon shaft brass with a plastic sleeve (1)
Emberger shaft


(2)
Gibson shaft


(3)
Emberger shaft brass with a plastic sleeve(4)

Model                

ItemNo.

Design                  

Finish

white

black

Nickel

Chrome

Gold

Nickel

Chrome

Gold

white

black

.
Classic Deluxe
"Selmer-Style"
5050
closed
Nickel
yes
yesyesyesyesyesyesyesno
no
"Selmer-Style"5051
closedChrome
yesyesyesyesyesyesyesyesnono
"Selmer-Style"5052
closedGold
yesyesyesyesyesyesyesyesnono
"Gibson-Style"50500
single
Nickel
yesyesyesyesyesyesyesyesnono
"Gibson-Style"50501
singleChrome
yesyesyesyesyesyesyesyesnono
"Gibson-Style"50502
singleGold
yesyesyesyesyesyesyesyesnono
"Fender-Style"50700
singleNickel
yesyesyesyesyesyesyesyesnono
"Fender-Style"50701
singleChrome
yesyesyesyesyesyesyesyesnono
"Fender-Style"50702
singleGold
yesyesyesyesyesyesyesyesnono
.

Hauser/Lyra

 

 

 

 

 

 

 

 

 

 

 

 

 

LNi 1

550

Lyra, open

Nickel

yes

yes

yes

no

no

yes

no

no

no

no

LG 1

553

Lyra, open

Gold

yes

yes

no

no

yes

no

no

yes

no

no

HNi 1

560

Hauser, open

Nickel

yes

yes

yes

no

no

yes

no

no

no

no

HG 1

563

Hauser, open

Gold

yes

yes

no

no

yes

no

no

yes

no

no

.

MK/MK Mini

 

 

 

 

 

 

 

 

 

 

 

 

 

MK

540

closed

Chrome

no

no

no

yes

no

no

yes

no

yes

yes

MKG

541

closed

Gold

no

no

no

no

yes

no

no

yes

yes

yes

MK Mini

542

closed

Chrome

no

no

no

yes

no

no

yes

no

yes

yes

MKG Mini

543

closed

Gold

no

no

no

no

yes

no

no

yes

yes

yes

MK-E

2540

closed

Chrome

no

no

no

yes

no

no

yes

no

yes

yes

MKG-E

2541

closed

Gold

no

no

no

no

yes

no

no

yes

yes

yes

MK Mini-E

2542

closed

Chrome

no

no

no

yes

no

no

yes

no

yes

yes

MKG Mini-2-E

2543

closed

Gold

no

no

no

no

yes

no

no

yes

yes

yes

MK Mini-2-E-O

2542/5

closed

Chrome

no

no

no

yes

no

no

yes

no

yes

yes

MKG Mini-2-E-O

2543/5

closed

Gold

no

no

no

no

yes

no

no

yes

yes

yes

The models with the product numbers 2542/5 and 2543/5 do not have a baseplate.

Shaft 1

Shaft 2

Shaft 3

Shaft 4

ModelItemNo.DesignFinishwhiteblackNickelChromeGoldNickelChromeGoldwhiteblack
.

Standard

 

 

 

 

 

 

 

 

 

 

 

 

 

LSNI 1

5501S

Lyra, open

Nickel

yes

yes

yes

no

no

yes

no

no

no

no

LSMS 1

5511S

Lyra, open

Brass

yes

yes

no

no

BS

no

no

BS

no

no

HSNI 1

5601S

Hauser, open

Nickel

yes

yes

yes

no

no

yes

no

no

no

no

HSMS 1

5611S

Hauser, open

Brass

yes

yes

no

no

BS

no

no

BS

no

no

The designation "BS" refers to brass.

Mandolin

 

 

 

 

 

 

 

 

 

 

 

 

 

MNI2

591

open/shaft_2

Nickel

no

no

yes

no

no

yes

no

no

no

no

MNI3

592

open/shaft_3

Nickel

no

no

yes

no

no

yes

no

no

no

no

MNI4

593

open, staggered

Nickel

no

no

yes

no

no

yes

no

no

no

no

MG2

594

open/shaft_2

Gold

no

no

no

no

yes

no

no

yes

no

no

MG3

595

open/shaft_3

Gold

no

no

no

no

yes

no

no

yes

no

no

MG4

598

open, staggered

Gold

no

no

no

no

yes

no

no

yes

no

no

MGP4597

open, staggered

Gold

no

no

no

no

yes

no

no

yes

no

no

MGP4 with real mother-of-pearl button.

This image gives another overview of the available options:

Schaller shafts for acoustic machine heads

 

This list shows the shaft lengths which we supply as standard (in mm). Alternative lengths, which we will be happy to supply upon request, are shown in brackets. The shaft length is measured from the housing to the center of the string hole. All measurements are given in mm.

Nylon shaft brass with a plastic sleeve (1)
Emberger shaft


(2)
Gibson shaft


(3)
Emberger shaft brass with a plastic sleeve(4)

Model                

ItemNo.

Design                  

Finish

white

black

Nickel

Chrome

Gold

Nickel

Chrome

Gold

white

black

.
Classic Deluxe
"Selmer-Style"
5050
closed
Nickel
15,015,013,4
13,413,421,0
21,021,0nono
"Selmer-Style"5051
closedChrome
15,015,013,413,413,421,021,021,0nono
"Selmer-Style"5052
closedGold
15,015,013,413,413,421,021,021,0nono
"Gibson-Style"50500
single
Nickel16,716,715,115,115,122,7
22,722,7nono
"Gibson-Style"50501
singleChrome16,716,715,115,115,122,722,722,7nono
"Gibson-Style"50502
singleGold16,716,715,115,115,122,722,722,7nono
"Fender-Style"50700
singleNickel16,7

16,7

15,115,115,122,722,722,7nono
"Fender-Style"50701
singleChrome16,716,715,115,115,122,722,722,7nono
"Fender-Style"50702
singleGold16,716,715,1
15,115,122,722,722,7nono
.

Hauser/Lyra

 

 

 

 

 

 

 

 

 

 

 

 

 

LNi 1

550

Lyra, open

Nickel

14,5

14,5

14 (12,2)

no

no

23(21)

no

no

no

no

LG 1

553

Lyra, open

Gold

14,5

14,5

no

no

14 (12,2)

no

no

23(21)

no

no

HNi 1

560

Hauser, open

Nickel

14,5

14,5

14 (12,2)

no

no

23(21)

no

no

no

no

HG 1

563

Hauser, open

Gold

14,5

14,5

no

no

14 (12,2)

no

no

23(21)

no

no

.

MK/MK Mini

 

 

 

 

 

 

 

 

 

 

 

 

 

MK

540

closed

Chrome

no

no

no

15

no

no

24/22/18

no

16,0

16,0

MKG

541

closed

Gold

no

no

no

no

15

no

no

24/22/18

16,0

16,0

MK Mini

542

closed

Chrome

no

no

no

15

no

no

24/22/18

no

16,0

16,0

MKG Mini

543

closed

Gold

no

no

no

no

15

no

no

24/22/18

16,0

16,0

MK-E

2540

closed

Chrome

no

no

no

15

no

no

24/22/18

no

16,0

16,0

MKG-E

2541

closed

Gold

no

no

no

no

15

no

no

24/22/18

16,0

16,0

MK Mini-E

2542

closed

Chrome

no

no

no

15

no

no

24/22/18

no

16,0

16,0

MKG Mini-2-E

2543

closed

Gold

no

no

no

no

15

no

no

24/22/18

16,0

16,0

MK Mini-2-E-O

2542/5

closed

Chrome

no

no

no

15

no

no

24/22/18

no

16,0

16,0

MKG Mini-2-E-O

2543/5

closed

Gold

no

no

no

no

15

no

no

24/22/18

16,0

16,0

.

Shaft 1

Shaft 2

Shaft 3

Shaft 4

ModelItemNo.DesignFinishwhiteblackNickelChromeGoldNickelChromeGoldwhiteblack
.

Standard

 

 

 

 

 

 

 

 

 

 

 

 

 

LSNI 1

5501S

Lyra, open

Nickel

14,5

14,5

14 (12,2)

no

no

23(21)

no

no

no

no

LSMS 1

5511S

Lyra, open

Brass

14,5

14,5

no

no

14 (12,2)

no

no

23(21)

no

no

HSNI 1

5601S

Hauser, open

Nickel

14,5

14,5

14 (12,2)

no

no

23(21)

no

no

no

no

HSMS 1

5611S

Hauser, open

Brass

14,5

14,5

no

no

14 (12,2)

no

no

23(21)

no

no

.

Mandolin

 

 

 

 

 

 

 

 

 

 

 

 

 

MNI2

591

open/shaft_2

Nickel

no

no

12,5 (14)

no

no

21 (23,5)

no

no

no

no

MNI3

592

open/shaft_3

Nickel

no

no

12,5 (14)

no

no

21 (23,5)

no

no

no

no

MNI4

593

open, staggered

Nickel

no

no

12,5 (14)

no

no

21 (23,5)

no

no

no

no

MG2

594

open/shaft_2

Gold

no

no

no

no

12,5 (14)

no

no

21 (23,5)

no

no

MG3

595

open/shaft_3

Gold

no

no

no

no

12,5 (14)

no

no

21 (23,5)

no

no

MG4

598

open, staggered

Gold

no

no

no

no

12,5 (14)

no

no

21 (23,5)

no

no

MGP4597

open, staggered

Gold

no

no

no

no

12,5 (14)

no

no

21 (23,5)

no

no

 

These images give another overview of the available shafts (standard and options):

The measurements in the images below represent the shaft length from the rear of the housing to the middle bore hole for the string, i.e.for the split shaft to the lower edge of the split.
The measurements in brackets represent the distance from the rear of the housing to the middle bore hole i.e. the lower edge of the split including the base plate.

Hauser/Lyra:

 

MK und MK-Mini:

Schaller Machine Heads for Acoustic Guitars MK and MK-Mini

 

Standard:

Schaller Machine Heads for Acoustic Guitars Standard

 

Mandolin:

Schaller Machine Heads for Acoustic Guitars Mandolin

 

Classic Deluxe:

Schaller Machine Heads for Acoustic Guitars Classic Deluxe

 

 

Thrust bearing and capstan for machine heads

All measurements are given in mm. The inner and outer dimensions are given in the column "Dm" (diameter). Alternative capstan lengths, which can be supplied upon request, are given in the column "A-length". TM=Topmount.

 

banjo

bolt

thrust

bearing

length

Dm inner

Dm outer

A-length

M6

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

M6 Industry (135°)
X
13,2 (0,5197)6,0 (0,2362)7,8 (0,3071)11,7/ 16,2 (0,4606/0,6378)
M6 Pin
X
13,2 (0,5197)6,0 (0,2362)7,8 (0,3071)11,7/ 16,2 (0,4606/0,6378)

M6 Mini

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

M6 Nylon

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

M6 2000 Locking

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

M6 Mini Locking TM

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

M6 Locking TM

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

M6-Vintage

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

Classic Deluxe "G-Style"

X



Classic Deluxe "F-Style"

X



ST6

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

ST6K

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

ST6B

 

X

9,6 (0,3780)

6,2 (0,2441)

8,7 (0,3425)

 

ST6 Vintage

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

BM

 

X

10,1 (0,3976)

14,1 (0,5551)

17,0 (0,6693)

 

BMFL

 

X

10,1 (0,3976)

14,1 (0,5551)

17,0 (0,6693)

 

BM Light

X

 

16,0 (0,6299)

13,0 (0,5118)

16,7 (0,6575)

 

M4S

X

 

16,0 (0,6299)

13,0 (0,5118)

16,7 (0,6575)

 

M4

X

 

15,7 (0,6181)

9,2 (0,3622)

12,0 (0,4724)

 

M4 2000

X

 

15,7 (0,6181)

9,2 (0,3622)

12,0 (0,4724)

 

Classic Deluxe "S-Style"

X



Hauser/Lyra

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

MK/MK MIni

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

Standard

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

 

B5

-

-

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

B4

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

B4 adjustable

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

B4 Excenter

X

 

13,2 (0,5197)

6,0 (0,2362)

7,8 (0,3071)

11,7/ 16,2 (0,4606/0,6378)

Mandolin

 

X

7,5 (0,2953)

6,1 (0,2402)

10,0 (0,3937)

13,3 (0,5236)

Ukulele

X

 

7,0/9,0

(0,2756/0,3543)

5,8/6,8

(0,2283/0,2677)

8,5/11,1

(0,3346/0,4370)

 

This image gives an overview of the available thrust bearings and banjo bolts:


Schaller thrust bearing and banjo bolt

 

Overview of all machine heads

Legend:

FeaturesExplanation
Model/combination (6left, 3/3 etc.)All = All combinations are possible (6/0, 5/1, 4/2, 3/3 etc; see individual listings in the guideline above)
Finishhp=handpolished, mp=maschinepolished
SurfaceNI-Nickel, CH-Chrome, SC-Satinchrome, BC-Blackchrome, GO-Gold, RU-Ruthenium, SP-SatinPearl, VC-VintageCopper, BS-Brass, BL-Black (siehe Einzelaufstellung im Leitfaden oben)
WeightWeight g/item., Differences are due to different button types.
Diameter HSDiameter Headstock from - to

Machine Heads for guitar
FeaturesM6M6 MiniM6 with NylonM6 Locking 2000M6 Mini TMM6 Locking TM
Picture
Schaller Machine Heads for guitars M6
Schaller Machine Heads for guitars M6 Mini
Schaller Machine Heads for guitars M6 with Nylon
Schaller Machine Heads for guitars M6 Locking 2000
Schaller Machine Heads for guitars M6 Mini TM
Schaller Machine Heads for guitars M6 Locking TM
Model/combinationallallallallallall
Finishhp, mphp, mphp, mphp, mphp, mphp, mp
Surface

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, SC, BC,
GO, RU, SP, VC

Ratio1:121:141:141:161:141:12
Weight g/item40, 453632, 3449, 523744, 49
Bore (mm)9,89,810,09,89,89,8
Brackets/Pin180°90°/ 90°+27090°+270135°/ 1 Pin90°180°
Diameter HS (mm)11-1811-15,511-1611-15,511-1511-15,5
Shaft lengths (mm)24242418,5, 19,519,519,5
String thickness max. (mm)1,81,81,81,51,51,5

FeaturesM6 VintageClassic Deluxe
"Gibson-Style"		Classic Deluxe
"Fender-Style"		ST6ST6KST6BST6 Vintage
Picture
Schaller Machine Heads for guitars M6 Vintage
Schaller Machine Heads for guitars Classic Deluxe
Schaller Machine Heads for guitars Classic Deluxe
Schaller Machine Heads for guitars ST6Schaller Machine Heads for guitars ST6KSchaller Machine Heads for guitars ST6BSchaller Machine Heads for guitars ST6 Vintage
Model/combinationallall
all
allallallall
Finishhp, mpmp
mp
hp, mphp, mphp, mphp, mp
Surface

NI, CH, SC, BC,
GO, RU, SP, VC

NI, CH, GO
NI, CH, GO

NI, GO, VC

NI, GO, VC

NI, GO, VC

NI, CH, BC,
GO, VC

Ratio1:161:12
1:12
1:141:161:161:12
Weight g/item4728
28
25302628
Bore (mm)9,89,8
9,8
10,09,810,010,0
Brackets/Pin90° centered2 screws
2 screws
2 screws2 screws2 screws2 screws
Diameter HS (mm)11-1611-16
11-16
11-1611-1611-1611-16
Shaft lengths (mm)2422,5
22,5
22,52419,522
String thickness max. (mm)1,81,8
1,8
1,81,81,81,8
Machine Heads for bass guitar
FeaturesBMBMFLBM LightM4SM4M4 2000
Picture
Schaller Machine Heads for bass guitar BMSchaller Machine Heads for bass guitar BMFLSchaller Machine Heads for bass guitar BM LightSchaller Machine Heads for bass guitar M4SSchaller Machine Heads for bass guitar M4Schaller Machine Heads for bass guitar M4 2000
Model/combinationallallallallallall
Finishhp, mphp, mphp, mphp, mphp, mphp, mp
Surface

NI, CH, SC,
BC, GO, RU,
SP, VC

NI, CH, SC,
BC, GO, RU,
SP, VC

NI, CH, SC,
BC, GO, RU,
SP, VC

NI, CH, SC,
BC, GO, RU,
SP, VC

NI, CH, SC,
BC, GO, RU,
SP, VC

NI, CH, SC,
BC, GO, RU,
SP, VC

Ratio1:201:201:221:221:121:20
Weight g/item98103501156860
Bore (mm)17,517,517,017,012,012,0
Brackets/Pin4 screws4 screws2 Pin2 Pin180°180°/ 90°
centered/ 1 Pin
Diameter HS (mm)10-1510-1511-15,511-15,514-1915-19
Shaft lengths (mm)313133333232
String thickness max. (mm)3,03,03,03,02,52,5
Machine Heads for acoustic guitar
FeaturesClassic Deluxe
"Selmer-Style"		Hauser/LyraMKMK MiniStandard
Picture
Schaller Machine Heads for acoustic guitar Classic Deluxe Schaller Machine Heads for acoustic guitar HauserSchaller Machine Heads for acoustic guitar MKSchaller Machine Heads for acoustic guitar MK MiniSchaller Machine Heads for acoustic guitar Standard Hauser
Model/combinationleft/right
left/rightleft/rightleft/rightleft/right
Finishmp
mphphpmp
SurfaceNI, CH, GO

NI, GO

CH, GO

CH, GO

NI, MS

Ratio1:12
1:161:121:141:12
Weight g/item9,8
161251240128
Bore (mm)10,0
10,010,0/6,010,0/6,010,0
Brackets/Pin
Diameter HS (mm)
Shaft lengths (mm)
String thickness max. (mm)
Banjo
FeaturesB5B4B4 adjustable
B4 Excenter
Picture
Schaller Banjo B5Schaller Banjo B4Schaller Banjo B4 adjustableSchaller Banjo B4 Excenter
Model/combinationleft/rightleft/rightleft/rightleft/right
Finishmp, Kunststoffhp, mphphp
Surface

NI, CH, GO, BL

NI, CH, BC, GO

NI, CH, GO

NI, CH, GO

Ratio1:81:41:41:3,5
Weight g/item27376343
Bore (mm)9,09,99,99,9
Brackets/Pin
Diameter HS (mm)
Shaft lengths (mm)
String thickness max. (mm)
Mandolin and Ukulele
FeaturesMandolinMandolin staggered
Ukulele
Picture
Schaller MandolinSchaller Mandolin staggeredSchaller Ukulele
Model/combinationleft/rightleft/rightleft/right
Finishmpmp

mp

Surface

NI, GO

NI, GO

NI, CH, GO

Ratio1:161:161:1
Weight g/item162164/17018
Bore (mm)6,1/10,06,1/10,011,0/8,5
Brackets/Pin
Diameter HS (mm)
Shaft lengths (mm)
String thickness max. (mm)
Accessories and packaging

The accessories provided for attaching our machine heads, such as female screws, thrust bearings and screws are found in the packaging underneath the styrofoam inlay.

Using the product catalog
Please change your print settings to landscape before printing these pages so that the guidelines are complete and readable.

FAQ

FAQ10001 Can I also get machine heads in a 5/1 or 4/2 configuration?
For the sake of clarity, we have only illustrated the standard layouts. Naturally, every other combination (5/1, 4/2 etc.) can also be ordered via your retailer.

…in addition to this, individual machine heads, sets of buttons etc. can also be ordered.
FAQ10010 How can you tell the difference between left-side and right-side machine heads?
A simple way to tell the difference is to place a machine head in front of you so that the back of the housing is facing towards you and the button is pointing upwards. If the worm gear and button are then on the left of the housing, then it is a left-side machine head, e.g. as found on a Stratocaster.
FAQ10020 I know that you produce machine heads for many reputable manufacturers such as Fender, Gibson, PRS, etc. with their company logo. What can I do, if one of these machine heads breaks?
Unfortunately we are not allowed to provide you with a replacement part. Please contact the manufacturer directly. Alternatively, we can only recommend you to install a set of Schaller machine heads from your specialist dealer. Then you will always have 100% quality - since today, unfortunately, almost all manufacturers also use products with their logo from the Far East.
FAQ10030 Where can I find information on the required hole diameters on the head plate for Schaller machine heads?

On our website, under "Products/Product help/Guidelines", we have set up a table from which you can see the relevant measures for your machine heads.

Under "Products" and then in the detailed view you will of course find a detailed table for each of our products, showing the bore diameter in one of the columns.

The "Technical drawings" tab in the product details view gives you access to full technical drawings of the product in question, complete with all dimensions. These drawings can also be downloaded.

FAQ10040 Where can I find information on the different mounting options of your machine heads (bracket, pin, etc.)?

On our website, under "Products/Product help/Guidelines", we have set up a table from which you can see the respective designs.

FAQ10050 What do I need to consider when using Schaller machine heads "6 in line" for my left-handed guitar?
Please order 6 right or 6 left machine heads, depending on your preference and the arrangement on the head plate.
FAQ10060 Which are the methods available for mounting Schaller machine heads onto the head plate?

There are 3 methods:

  1. Fastening with screws with or without thrust bearing;
  2. Fastening with screws and banjo bold. Here, the banjo bolt is an additional fastening and thrust bearing at the same time.
  3. Fastening only with banjo bolt and pin.

The pin or pins (2 in our Fender machine heads) are only used to prevent machine head twisting. See also the reference table under Products/Product help/Guidlines.

FAQ10065 In your product catalog, what does the transmission ratio mean for the machine heads?
If, for example, you have a machine head with a transmission ratio of 1:16, this means that you will have to turn the button 16 times to turn the adjusting axis once.
FAQ10070 After several years of use my machine heads are hard to turn; what can I do?

We recommend the following procedure:

  1. Change the mounting screw of the button.
  2. Check the plastic or wave washer at the button for wear and renew if required.
  3. With the machine heads closed, carefully oil with light precision mechanics oil at the shaft or gears, with the machine heads open, carefully oil the mechanical parts.
FAQ10080 I saw machine heads bearing the "S" from Schaller and "Made in Germany" on the D-Tuner device from the U.S. company Hipshot. How's that?
We produce the machine heads for Hipshot, while Hipshot produces the "D-Tuner" itself, but the machine heads are original Schaller parts.
FAQ10090 Schaller supplies the classic machine heads with acrylic and plastic buttons. What is the difference between the materials and the processing?
The acrylic button is a high-quality plastic which is made from layered material in an elaborate process. Its structure is based on that of mother-of-pearl. The colors are homogenous, i.e. not painted. The plastic buttons are used for "standard" machine heads and are made by injection molding using high quality plastics.
FAQ10100 I have seen "I", "II" und "III" symbols or markings on the inside of the Schaller machine heads. What do they mean?
These markings have no significance at all for you or for the function of the Schaller machine head. For us they designate the individual machine molds so that we are better able to isolate the cause of a problem in the event of a material defect. Of course, no product leaves the Schaller premises without having been checked and approved by our multi-stage quality control.
FAQ10110 Can I modify machine heads myself and, if yes, which ones in order to to be able to use left machine heads as right machine heads and vice versa?
This is only possible in isolated cases with some bass machine heads. We do not generally recommend such practices, however, because the product specifics are usually not taken into consideration and this can lead to defective assembly.
FAQ10120 I need machine heads for my concert guitar with a 36mm wave washer and not the normal 35mm. What do I do?
In this particular case we recommend you use our MK MINI Series without the base plate. This way you have high quality machine heads and can select the shaft distance as you wish. You can use shafts for steel or nylon strings.
FAQ10130 I am looking for "Reverse Headstock" machine heads, and instead of the normal 6 left, I need 6 right machine heads. Where can I get them?

Please simply order them from a specialist dealer. We can easily supply any combination, including 6 right machine heads (please see under Products/Product help/Guidelines).

FAQ10140 How exactly is the Schaller Banjo tension peg B4 adjustable?

It works like a D-tuner. You tune a note, setting it with a knurled thumb screw. With the second knurled thumb screw you adjust the required deeper string note. When you loosen the 1st knurled thumb screw the machine head then automatically turns to the second set note.

FAQ10145 What is the difference between the B4 and B4 Excenter banjo machine heads?

The 'excentrical' offset form of the B4 Excenter machine head provides increased flexibility when fitting it to the headstock. A further difference is that it has a 1:3.5 gear ratio, as opposed to 1:4. This makes tuning your instrument quicker, easier AND more precise!

FAQ10150 What does Schaller recommend for cleaning the tarnished tuning buttons on chrome-plated bass machine heads?
A difficult one: give it a careful try with a chrome polish. If the buttons are already too heavily tarnished, usually due to hand perspiration, then replacement is the only option.
FAQ10160 How do the Schaller clamp machine heads / locking tuners work?

These function like normal tuners but you do not need to wrap the strings around the shaft at the beginning. You position the string in the shaft hole with the clamp screw loosened, shorten the string approx. 10 mm behind the shaft, clamp the string with the clamp screw and tune the string (please see under Service/Lexicon).

FAQ10170 How can I clean Schaller BM Light machine heads with plastic housing?
Our plastic is reinforced with carbon fiber, so you can clean them using car polish or key oil.
FAQ10180 I have two sets of Schaller machine heads, but I have realized that the buttons are of different sizes.
Our tuning heads are fitted as standard with large buttons for 3/3 configuration and small buttons for 6-in-line configuration.
FAQ10190 Can I fit a set of Schaller "mini" machine heads with the buttons from a set of normal-sized machine heads?
Yes, you can do that - the shaft has the same diameter, so you just need a longer screw. However, you need to pay attention to the appearance and to the spacing between the machine heads, which they require in order to turn and which obviously becomes smaller.
FAQ10200 Can I also order individual machine heads or just the buttons?
Yes, you can also order any machine head individually, or just a set of buttons without the machine heads.
FAQ10220 Are the screws supplied for fixing the buttons to the housing the same color as the buttons?
In general yes, except in cases such as bicolor products or ebony buttons.
FAQ10230 I have fitted Schaller M6 locking machine heads to a Gibson headstock which is very thick; the problem is that the shaft with the hole only protrudes very slightly. What can I do about this?
In such cases, please order our Schaller M6 2000 locking machine heads with the special shaft length, which is 21mm rather than 18.5 or 19.5mm (staggered).
FAQ10240 Can I use steel strings with Schaller's acoustic guitar machine heads?

Yes, you can. Our machine heads are designed for this purpose. Please use either the Gibson or Emberger-type shaft (see Products/Guideline). For our nylon shafts, we recommend using nylon or gut strings.

FAQ10250 What does the "ST" used in the names of certain machine heads stand for (ST6, for example)?

"ST" is an abbreviation of "Standard Tuner"

FAQ10260 Do Schaller's sealed/enclosed machine heads need to be oiled from time to time?

All sealed tuners are lubricated with Schaller special grease, for a lifetime of maintenance-free service

FAQ10270 I have a MusicMan bass machine head produced by Schaller, and the shaft is slightly shorter than the original Schaller BM bass machine head. Can I replace the shaft?

Yes, you can use the Music Man shaft with buttons on the Schaller bass machine head and vice-versa, i.e. you can use the slightly longer Schaller shafts on the Music Man bass machine head.

FAQ10280 On which types of acoustic machine heads can I change the string posts myself, for instance when changing from a plastic sleeve to an emberger string post?

You can replace all open machine heads such as Hauser, Lyra, mandolin machine heads etc. yourself. However, you cannot replace the string posts in closed machine heads such as MK, MK Mini and Classic Deluxe yourself. Our emberger string posts with plastic sleeve and our nylon string posts are.