Gotoh high quality machine heads for bass guitar. RES-O-LITE. nickel.Bass guitars have weighty machine heads and by their very nature have always suffered from “neck-dive”. The RES-O-LITE series was developed to solve this problem. By using the special alloy “duralumin”, excellent weight savings are achieved. By use of the Rock-Solid mechanism the GB528 transmits string movement more powerfully, whilst retaining tuning and giving a smooth winding experience.Ratio: 1:26