[Easy Installation]Guitar protector blocks aye made of good quality silicone, Soft and , Can effectively protect your guitar, No drilling and no tools, Guitar strap blocks can be easily installed. Guitar protector block fits most strap buckles, You can replace the old or shoulder strap locks for your beloved guitars. [Good Match]This guitar strap block fits snugly onto of your guitar strap without any modifications and no noise, Preventing accidental detachment. With a simple style and sturdy material, It is the perfect partner for your guitar. [Wide Application]The guitar protector blocks are suitable for electric guitars, Acoustic guitars, Ukuleles, Bass guitars, Etc. Also Good gift for family members or friends love guitar. Colour:Black Material:Silicone Package Contents: 16 x guitar strap buckle 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.