M4-BLACK Schaller Black M4 Series 2+2 Bass Tuners 12:1 ratio

Schaller M4 series black bass tuners for 2+2 headstocks. Can be a replacement for some Alembic, Kramer, B.C. Rich, Gibson and other basses. 12:1 ratio. Includes peghead bushings and mounting screws. Made in Germany. Measures: 0.432" (11.0mm) Peghead Diameter; 0.545" (13.9mm) Bushing Outer Diameter; 0.407" (10.3mm) from Peghead center to Mount hole center.