SELF ALIGNING THRUST BEARINGS! Gear ratio is 20:1. Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string posts with cutaway shoulders to provide slip-over. Two screws in housing apron provide greater holding power. May be used with ALL modern bass guitar headpieces. Individually hand tested. Screws and bushings included.
- Gear ratio = 20:1
- String Post Height = 1 1/3 in. (33.7mm)
- String Post Diameter = 33/64 in (13mm)
- Bushing O.D. = 21/32 in. (16.7mm)
- Bushing I.D. = 33/64 in. (13.2mm)