Grover GP630C Strap Button Set - Star - Chrome Attach your strap with style! Keep your strap locked with visual flair and without the hassles or expense of traditional strap locks The 2-piece screw-on design lets you change styles easily while the oversized die-cast buttons and custom-fitted O-rings safely secure the strap All hardware is provided and the installation process is simple Replaces your original strap button with no modification or damage to your instrument Keep your strap locked with visual flair and without the hassles or expense of traditional strap locks