LotFancy sanding discs assortment for rough to fine sanding and polishing. Round sanding sheets are suitable for a variety of projects: automotive, industrial, woodworking, marine, crafting and more. Durable aluminum oxide sand paper is an excellent choice for grinding and polishing on non-metal, wood, rubber, leather, plastic, stone, glass and other materials.LotFancy Sanding discs are made from aluminum oxide, designed for high speed sanding and heavy duty abrasion, delivering a fast and long lasting cut. Closed-coated abrasives for an even and consistent scratch pattern. Special stearate coating is designed to prevent clogging and buildup. Maximum speed: 12,000RPM Compatible Disc Sander Models： Fits random orbital disc sanders, such as work with Black & Decker BDERO100, Bosch ROS20VSC, 3725DEVS, ROS10, DeWalt DWE6421K, DWE6423K, Makita BO5041K, BO5031K, PORTER-CABLE 382, Ryobi RS290G, SKIL 7492-02