Abrasive Disc Cup wheel is for fast rough dry or water-cooling grinding and shaping of marble and granite surface Abrasive DiscFor grinding ... or water-cooling grinding and shaping of marble and granite surface, corners,edges and angles.Size(inch)3, 4, 5, 6 ... , SnailConnection22.23mm, 5/8-11, M14, Diamond Cup Wheel,Abrasive Disc,Turbo cup wheel