Graph Tech Bass Ratio 4-String - 2 + 2 Y-Style Button - Chrome

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RATIO® patented gear technologyRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation. From Low E to G - 36:1, 30:1, 20:1, 18:1. We balanced the gear ratios to each string simplifying the tuning process. With RATIO®, a half-turn is a semi-tone! Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string. Show more