Set of 6 quality sealed chrome machine heads(3L+3R) with half moon button, fit 10mm(0.39inch) standard machine head hole.
Heavy duty internal gear tested, easy to install, compatible with steel string electric guitar or acoustic guitar.
Gear ratio: 1:14; Zinc alloy material with chrome plating; Location: 3L 3R; Head size is 23.6mm(0.93in) width. For specific dimensions, please look at the size diagram.
Package includes: 3 left and 3 right hand guitar machine heads; 6 x Ferrules; 6 x Screws; 6 x Threaded bushings.