(Gold, Silver, Black) 9 Pieces Locking Metal Guitar Knobs with Screws and Rubber Pads for Acoustic Guitar Electric Bass Ukulele Premium Material: The mushroom guitar strap is made of high quality metal with gold/silver/black surface, bright colors. With sufficient material, the accessory is rust-proof, corrosion-resistant and durable, can last for a long time use. Wide usage: designed for most types of guitars, apply to acoustic guitar, classical guitar, electric guitar, bass or ukulele, can keep the strap firmly in place, helping to prevent the strap from shifting. Essential guitar accessories: the security strap lock fastens the guitar strap to the guitar, don't worry about the strap slipping off when you stand, protect the guitar from falling, so that your instrument is always in good hands. Easy installation: the guitar strap end pins are easy to install and convenient to use, just insert the strap into the fixing screw, make sure the pin is tight, then lock the strap into the strap lock button. Package includes: one package contains 9 pieces of guitar strap knobs in silver, gold and Black, 3 packs for each color, can match well with your guitar and strap in different colors, satisfy your daily needs.