Description Crafted with durable black metal, these guitar strap lock buttons feature a sleek mushroom-shaped design that ensures a secure fit for your instrument. The anti-slip mechanism provides stability during performances, making it ideal for electric, acoustic, and bass guitars. The included screws and washers enhance installation ease and reliability. Features -Color:Black -Material:Copper -Size:1.60X1.60X0.90cm/0.63X0.63X0.35in -Locking design: prevents strap detachment during performances, ensuring stability and confidence while playing your guitar -Mushroom head anti-slip structure: enhances friction with the strap, reducing slippage and providing comfort for extended playing -Durable metal material: crafted from durable metal, exceptional durability and resistance to wear, suitable for demanding performance environments -Stylish black finish: complements various guitar colors with a sleek and modern look, adding a touch of elegance to your instrument -Easy installation: comes with screws and washers for quick setup, allowing you to upgrade your guitar without the need for professional toolsPackage list: 4X strap buttons 4X screws 4X washers