1GUITAR STRAP LOCKS: This strap non slip block can firmly secure the guitar strap in place, preventing accidental detachment during playing or storing the guitar, simple and effective. 2BLOCK SPECIFICATIONS: The guitar strap block has an outer diameter of 25mm, an inner diameter of 10mm, and a thickness of 3mm. The reasonable structure ensures long lasting durability. 3DURABLE MATERIAL: The non slip strap lock is made of excellent PE material, which is soft and lightweight, features wear resistance, no noise, no deformation, and has a long service life. 4APPLICATION RANGE: This non slip strap lock block is suitable for most standard strap buttons, including electric guitars, acoustic guitars, ukuleles, basses, etc., with strong practicality. 5EASY INSTALLATION: This kit includes 12 pieces guitar strap button locks, compact and lightweight, easy to install, without the need for drilling or other tools, convenient to use and replace. 12 xGuitar Strap Locks