90PCS 6in 6 Holes 40 Grit Hook-and-Loop Sandpaper Sanding Disc LotFancy sanding discs are made from aluminum oxide, designed for high speed sanding and heavy duty removal, delivering fast and long lasting cut. The round sanding sheets can use in many domains: automotive, industrial, woodworking, marine and more. Durable aluminum oxide sand paper is good choice for grinding and polishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Compatible with Models Suitable for 6in random orbit sander, such as DeWalt DW443, Porter Cable 335, Porter Cable 97366, Bosch 1250DEVS and Bosch 3727DVS   Package Includes: 90 x 40 Grit Sanding Discs   Aluminum Oxide Sandpaper Features Hook and loop sandpaper backing makes fast and easy for removal and replacement. Open coat makes an even and consistent scratch pattern. Special stearate coating is designed to prevent clogging and loading, and enhance the durability. High strength resin bond system provides superior grain support. Pre-punched with 6 holes for uniform dust extraction, extends sanding life and increases productivity.     Specifications: Material: aluminum oxide abrasive Color: reddish brown Back technique: hook and loop Number of holes：6 holes Diameter: 6 inch/ 15 cm   Grade: 40 grit Quantity: 90 PCS   Wide Application Industrial Woodworking Automobile