Schaller M4/BM Light Bass Tuning Machine Button
The Schaller M4/BM Light replacement button is engineered specifically to fit Schaller M4 and BM Light series bass tuning machines. It provides an authentic factory replacement to restore or customize your instrument's tuning hardware.
Precision-crafted with an inner drill hole diameter of 0.17 in (4.3 mm) and a 0.15 in (3.9 mm) flat-to-flat drive surface, this peg button ensures a secure and accurate fit onto the tuner shaft.
Supplied individually without mounting screws, it allows you to utilize the existing hardware from your bass tuning assembly for seamless installation.
| Brand | Schaller |
| Product Type | Bass Tuning Machine Button |
| Compatibility | Schaller M4 and BM Light Bass Tuning Machines |
| Bore Diameter | 0.17 in (4.3 mm) |
| Drive Surface Width | 0.15 in (3.9 mm) |
| Weight | 0.02 lb |
| Included Items | 1 x Button |



















