1 Pair of Guitar Strap Locks, Black & 1 Set Silver Chrome Locking Guitar Tuners Pegs 3R3L Guitar New and high quality Avoid damage to your guitar strap slide the button. It happens to everyone, so protect yourself with a pair of strap locks perfect for guitar or bass Each set is sealed in the original packaging factory Guitar Strap Locks: Material: metal Color: black Length: 4.5cm Guitar machine heads: Set of 6 quality black machine heads for steel string (electric or acoustic) guitars (3L + 3R) 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 Material: stainless steel Color: Chrome Size:4.4 x 3.8cm Package includes: 1 pair x Guitar Strap Locks 6 x Guitar machine heads (3R3L) 6 x Ferrules 6 x Threaded bushing 6 x screws 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.