[120PCS Guitar Strap Locks]: guitar strap locks includes 60pcs gold, 60pcs black strap buckle, 120pcs spacer, 60pcs , 60pcs black screw. With the use of the guitar strap, it may wear out and therefore cannot be firmly attached to your guitar. These rubber washer-style guitar strap locks can help you secure your guitar to the strap. It can be changed in two colors at any time. [Easy to Install]: First you need to pull up of the lock and slide it out to slide out the strap button. Use a screwdriver to remove the current guitar strap pin and replace it with the pin that was just removed from the strap lock. You just screwed in the pins of the guitar. Remove the washer and nut from the belt lock. Screw the hole on the guitar strap to , and then replace the washer and nut. Repeat the steps for the other end of the belt. [Wide Uses]: guitar strap locks are suitable for the lock strap buttons of acoustic guitar, classical guitar, electric guitar, bass or ukulele and all standard straps. The sturdy lock makes you no longer have to worry about the strap falling off and the instrument falling when playing. [ Craft] : The guitar strap button is made of high-quality metal, and the is polished, rust-proof, wear- and . With a mushroom-shaped design and chrome-plated silver, the appearance is first-class. It looks more compatible with your instrument.Choose guitar strap locks,bring you happy music time! colour: black + gold Material: metal Size: diameter about 12mm Package Contents: 60 x Golden guitar strap locks 60 x Black guitar strap locks Only the above package content, other products are not included. Note: Light reflection 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.