QEP Diamond Tipped SDS-max Drill Bit Set SDS-Max Shank 13 pc

The Brutus 5/16 in. Diamond Hole Saw is fast and efficient when cutting through porcelain, ceramic, marble, granite and even concrete. Both professional and do-it-yourself installers can use it. Besides the drill bit, the kit contains a guide sleeve, adhesive pads and a water-cooling system.