Description 3R3L Guitar String Inline Tuning Pegs Locking Tuners Keys Machine Heads Chrome Description： 100% new. High quality and testing is fine. Item 100% like the picture shown. Set of 6 quality chrome machine heads for steel string (electric or acoustic) guitars ( 3R3L ). 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. Auto Locking Tuners (Tuning Pegs). Heavy duty internal gear. Specifications: Material: material + steel gear Gear ratio: 15:1 Colour: chrome Package Includes: 6 x Guitar machine head ( 3R3L ) 6 x Ferrule 6 x Threaded bushing 6 x screw