The guitar strap buttons are specifically designed for guitars straps, easy to install, with a simple installation process, you can quickly set it up and start applying your guitar. Also, the guitar strap buttons fit for guitarist to make their guitar strap look beautiful and awesome. Features -Color:Black -Material:Metal -Size:4.50X2.00X2.00cm/1.77X0.79X0.79in - Made with metal materials, this guitar strap buttons are built to last and withstand heavy use. - Designed specifically for strap of guitars, this strap lock provides a perfect fit and is compatible with a wide range of guitar models. - Classic design, fashionable and versatile, suitable for most kinds of guitars or ukuleles. - Comes with wrench for quick and installation on your different types of guitar. - You can replace your strap pin without any guitar modification and attaches to your strap securely. Package list: 2 x guitar strap buttons 1 x wrench