GOTOH FB30 bass machine heads in aged nickel – a perfect blend of vintage looks and modern precision. 4-in-line format, 1:20 gear ratio, 17.5 mm bore.
4 Chrome String Ferrules for Bass Through String.
Total height 10.5 mm; Outside diameter: 12.5 mm, Diameter
fluted lower part 9.6mm (9.5mm hole)