Khóa Đàn Guitar Bán Tự Động

100% brand new and testing is fine. Easy to install, just slip the string though the hole, tighten the locking thumb wheel, and tune the string. Heavy duty internal gear tested, easy to install, compatible with steel string electric guitar or acoustic guitar. Colour:black Material:metal Size:Handle width 17-18mm Package Contents: 6 x Guitar Tuning Pegs(3L3R)Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.