Tuning keys - Grover 145 Titan bass tuning keys half covered 2x2

Tuning keys - Gotoh® bass keys 2x2 press fit bushings

Gotoh Bass Machine Heads - 2x2

Tuning keys - Gotoh bass keys, 2 x 2, Nickel, with hardware, CBS Fender style, 20:1

Tuning keys - Import bass keys 2x2 with press fit bushings

Tuning keys - Import bass keys 2x2 w covered gears

Tuning keys - Import bass keys 4-in-line w covered gears

Tuning keys - Schaller M4S bass keys half covered gear 2x2

Schaller light-weight half-covered gear bass keys 2x2

Leo Quan® Badass SGT™ Bass Keys, Sealed, 2x2 set