3R3L Locked String Tuning Pegs Tuners Machine Heads For Acoustic Electric Guitar

100% new,high quality and testing is fine. Heavy duty internal gear. Now you have no more worries as to how have to pack for the handling guitar, piano small knock a small touch button and let the strings out of tune! The guitar will not off key if you lock the screw post when tune the guitar properly. Quality sealed machine heads..syi