(Set of 4) Hipshot HB7 American Classic tuner for Bass guitar. 27:1 ratio with adjustable tension. The HB7 is a direct retrofit for Fender® Mexican Standard and Highway 1 models with 18mm peghead holes.
Also fits some Squier Standard Series models. Mounting hole spacing is 1" across the top, 25/32" across the bottom, and 1-5/16 top to bottom (on center). Includes bushing and mounting hardware.