Graph Tech PRB-4220-B0 Ratio Bass B-Stock

B-Stock with Full Warranty
Return that may have slight traces of use.

Set Of Machine Heads For Electric Basses

Configuration: 4 pieces; 2 x left, 2 x right
Enclosed construction
Each machine head has its own transmission ratio calibrated for the respective string
One full turn of any machine head results in a complete pitch change (+ / -)
Gear ratio per string: E - 36:1, A - 30:1, D - 20:1, G - 18:1
Shaft diameter without mounting sleeve: 8.9 mm
Mounting diameter with mounting sleeve: 13.9 mm
Weight per machine head: approx. 52.62 g
Y-Style Contemporary tuning knobs
Finish: Black