These professional quality 24 Grit Sanding & Grinding Discs will sand, level, strip, polish, deburr, remove rust and prep all types of surfaces. * These are Roloc™-style discs, just one quick turn and the disc is securely locked onto the included 2" Sanding & Polishing Mandrel. * Includes 50 Roloc™-style 24 Grit Pads. * Simple and easy to use with your air, electric drill, die grinder and rotary tools with a 1/4" chuck or collet.