Lenox Tools 1211932DGHS 32 Diamond Grit Hole Saw, 2-Inch or 50.8mm LENOX Diamond hole saw has a brazed diamond edge for more holes in tile and stone Diamond-tip hole saw has a durable, robust design for greater versatility in tough applications Diamond-tipped hole saw cuts holes in less time than carbide-grit or carbide-tipped hole saws Round holes make removing plugs faster and easier Uses a 2L, 3L, 6L or 7L standard arbor or a 2L or 6L SNAP-BACK arbor