3M Hookit Purple Clean Sanding Abrasive Disc 01810 is a fast-cutting, long-lasting abrasive disc that can help save on labor costs and improve the quality of your collision repair. Built with a durable, fast-cutting aluminum oxide abrasive on C-weight paper backing, the spiral-patterned holes help keep dust particles away from the cutting surface when used with or without a dust extraction system. Discs can last up to 3 times longer as a result.Changing out discs has also never been easier or faster, thanks to the unique Hookit design. Discs are ideal for a variety of tasks like scuffing before painting and primer sanding. 3M Hookit Purple Clean Sanding Abrasive Disc 01810 combines performance, durability and long-lasting efficiency in any auto repair shop.