Ratio PRB-4400-C0 4 String Bass In-Line Y-Style Button - Chrome

In order to achieve the higher gear ratio's, Ratio's are the world's first machine heads using a double envelope gear design with a hardened steel gear. Amazingly smooth and super strong.

• One full rotation of any key results in a one full tone pitch change (give or take). From Low E to G, the gear ratio's are 36:1, 30:1, 20:1, and 18:1.