Graph Tech PRB-5411-C0 Ratio Bass Machine Heads, Open Back with Classic Clover Leaf Button - 5-String, 4 + 1 - Chrome

- Graph Tech Ratio machine heads for bass
- open construction
- each machine head has its own gear ratio, calibrated for the respective string
- one full rotation of any key results in one full tone pitch change (+ / -)
- ratio: B - 76:1, E - 48:1, A - 36:1, D - 25:1, G - 23:1
- 5 pieces: 4x left, 1x right
- axis diameter without mounting sleeve: 13.9 mm (0.547)
- mounting diameter with mounting sleeve: 18.3 mm (0.720)
- weight ca. 99.34 g / 0.219 lbs (single)
- Classic Clover Leaf button
- chrome finish