Premium metal cutting and grinding disc provides ideal performance and increased productivity. Featuring a premium aluminum oxide blend, this disc grinds through material faster than other discs and offer an extra long grinding life. Fullyreinforced for use in hand held cut-off work. Ideal for use when working in hard to reach areas. Type 27 with depressedcenter. For use on metal applications like steel, stainless, cast iron and sheet metal. 1/8" thickness.