Diablo, 7" diamond continuous rim cut-off discs for masonry. Diablo's diamond continuous rim masonry cut-off discs provide cleaner and precise cuts in granite, marble, porcelain and tile. These diamond rimmed discs deliver up to 60 percent smoother cuts versus standard diamond cut-off discs. The disc's industrial-grade diamonds with hardened disc body delivers lasting durability and maximizes cutting quality in hardened materials even in extreme applications.