Gotoh 510 top of the line super tuning machine heads high quality tuners with precision tuning in a small footprint. L3+R3 Set (3 bass side, 3 treble side tuners). MAGNUM-LOCK TRAD Thumbscrew-style locking tuner. It is simple and easy. 45 degree offset mounting hole.
13/32 [10mm] headstock holes required for installation. Includes threaded bushings, washers and screws.