✔ 30-Day Mon(k)ey Back: 30-day money-back guarantee
✔ Compatible only with Schaller M4 bass tuning machines
✔ Ebony wood
✔ Up to 20% weight reduction – only 4 g per button (compared to our metal buttons)
✔ Elegant appearance
✔ Pleasant feel
✔ Includes quality card – Each button is individually inspected before shipping
You are purchasing a set of 5 buttons.
Compatible only with Schaller M4 bass tuning machines.
Please check the button dimensions using our technical drawing before placing your order to ensure a perfect fit.
Our tuning machine buttons are made of wood, a natural material, so the color and grain may vary from the photos.
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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Product safety information may be available here.



