Grover 144C Mini Bass Machines
Grover 144C Mini Bass Machines - Bass Machine Heads, 2 + 2 - Chrome, Grover machine heads for bass, lightweight, compact Mini size, closed, ratio: 20:1, 4 pieces: 2x left, 2x right, shaft diameter without mounting sleeve: 9 mm, mounting diameter with mounting sleeve: 14 mm, Y-style metal buttons, Chrom Finish