Acoustic Tuning Machines Open Frame Custom Shop 3 Plus 3 Gold

Bitterroot Guitars

MSRP: $99.99
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Bitterroot Custom Shop Brand Guitar Open Frame Tuning Machines. Our custom shop tuners are used on our custom build guitars. These are an excellent quality tuner at a very reasonable price.

3 Right Hand and 3 Left Hand Configuration. Works for acoustic guitars.

3 Plus 3 Setup for Guitars

Custom shop open frame tuners.

15:1 ratio


15 to 1 gear ratio, Open Frame Gold tuners with Gold Butterbean Knobs.

Knob Size is 20mm (25/32")

Mounting Hole size is 8mm (5/16")

Body Size 1 21/64" (33.6mm) x 41/64" (16.3mm)

Press fit Bushing for 8mm mounting hole (5.16")

Shaft Length (Body to tip) 1 1/64" (26mm)
Mounting hole spacing 1.1/32" (26.2mm)

Polished Butterbean Gold, knob is screw replaceable type.

Gear Ratio 15:1

Kit includes:

3 Right Hand and 3 Left Hand Locking Tuning Machines with Bushing, 12 mounting screws.

Note: (Use #50 drill to seat mounting screws)

This Product may contain a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more info go to
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The parts on this site are made by or for Bitterroot Guitars.

These parts do not originate from the original OEM manufactures unless specifically identified as such.

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LM®, SURELOCK® are registered trademarks of LM Products Company Incorporated

Lock-It® is a registered trademarks of Musical Distributors Group

Martin® is a registered trademark of Martin Guitar Company

S.I.T. Strings® is a registered trademark of S.I.T. Strings Company, Incorporated