Open gear bass machine head tuner set

A set of four bass machine heads with open gear mechanisms. These have split end posts for easy restringing and big buttons for a smooth tuning action. 1:19 turn ratio, 4R in line.

Supplied with headstock ferrules and mounting screws.

Dimensions -
Post length: 30mm
Post width: 13mm
Ferrule size: Requires 18mm hole
Mounting screw spacing (horizontal): 33mm
Mounting screw spacing (vertical left side): 23mm
Mounting screw spacing (vertical right side): 19mm