Features and Benefits:�Coarse grit & segmented edge for fast cutting�Includes carbide tipped pilot bit�Tungsten carbide grit edge for abrasive materials�Wide, angled & offset slots for easy plug access�Works with the following arbors: 49-56-7240, 49-56-7250, 49-56-9100, 49-56-7055 & 49-56-7040Milwaukee® Carbide grit hole saws are designed for cutting abrasive materials such as brick, block, cement board, fiberglass and tile. Use a Carbide tipped pilot bit when cutting ceramic tile, brick, and other abrasive materials.