(Set of 4) Hipshot HB1 American Classic tuner for Bass guitar. 27:1 ratio with adjustable gear lash tension. The HB1 fits most G&L®, Music Man®, and some Gibson® basses. Mounting hole spacing is 13/16" across the top, 11/16" across the bottom, and 1-3/8 top to bottom(on center).
Requires 11/16(18mm) peghead holes. Includes bushings and mounting hardware.