High speed premium high speed masonry cut-off disc provides ideal performance and increased productivity. Featuring a premium aluminum oxide blend, these discs cut through material faster than other cut-off discs and offer extra long cutting life. Fully reinforced for use in hand held cut-off work. Ideal for use when working in hard to reach areas. For use on masonry applications like concrete brick, cinder block, cement and paver stones. 1/8" thickness.