1MAIN PURPOSE: This strap lock button is mainly used to secure the guitar or bass strap, making it convenient for you to carry the instrument with you. 2QUICK RELEASE: The guitar strap button has a quick release mechanism, which allows you to easily install and remove the musical instrument strap. 3EASY INSTALLATION: Equipped with a wrench for convenient use, simply pull out the end of the lock and slide it onto the button to install and remove it. 4METAL STRUCTURE: The guitar strap lock is made of excellent metal, with high hardness, wear resistance, scratch resistance, and has a long service life. 5WIDE APPLICATION: This metal strap lock is suitable for most electric and acoustic guitars and basses, and can directly replace old or damaged ones. 2 x Guitar Strap Locks 1 x Wrench