DEWALT DW4310 Sanding Disc, 5 in Dia, Coated, 100 Grit, Medium, Aluminum Oxide Abrasive, Paper Backing, 8-HolePacked with aluminum oxide grain for fast material removal and fine finishing, DeWALT hook and loop paper discs feature a non stick stearate coating that minimizes gumming and build up. A hook and loop backing offers quick, easy paper changes and a specially treated backing resists tearing. Unit: PK 25 UPC: 028874043107 Model Number: DW4310