9 pieces guitar strap locks and buttons, Sufficient quantity can be reserved to meet the demand of replacement. Compatibility: These security guitar strap locks are widely applied for guitars, great for acoustic guitar, bass, electric guitar, ukulele and other instruments. Easy to Assemble: This guitar strap button is convenient to use and easy to assemble, quick release by pulling out the straplock button to release / install, will not take much of your time. Material: Guitar strap lock is made of high quality metal, and strong enough to hold your guitar tightly. When music show allow you to move around or Interact with fans and don't worry about the strap off. Our guitar strap lock is designed with a traditional model, will not damage your instrument and strap when installed. Colour: black Material: metal Size: about 48mm Package Contents: 9 x Guitar Strap Locks Only the above package content, other products are not included. Note: Light 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.