Grover 145BC Titan Electric Bass
Grover 145BC Titan Electric Bass Machines - Bass Machine Heads, 2 + 2 - Black Chrome, Grover Titan machine heads for bass, half-open construction, ratio: 20:1, 4 pieces: 2x left, 2x right, shaft diameter without mounting sleeve: 13 mm, mounting diameter with mounting sleeve: 16.7 mm, special butterfly metal buttons, Black Chrome Finish