Ratio Machine Heads PRN-4311-B0 - Electric, 3+3, Contemporary Button, Offset Screw - Black

- machine heads for electric guitar- 6 pcs. for 3+3 orientation- incorporate string gauges in tuning equation- half turn equals half tone on each string- faster and more accurate tuning of each string- contemporary tuning pegs- closed back- 45° offset mounting hole- mounting hole diameter 9.7 mm- post diameter 6 mm- gear ratios E - 12:1, B - 20:1, G - 35:1, D - 20:1, A - 24:1, E - 39:1- black- also available in chrome, gold and nickel- only suitable for use on righthand instruments - gear ratios will not match strings on lefthand instruments