4 Diamond Coated Hole Saw;Cuts Through Ceramic, Porcelain, Glass, Marble, Granite;Wet Type - Do not use dry / Water is recommended for coolant.;Drills 1 1/2 inch deep;No Pilot Drill Bit - Pilots are not safe for glass

• 4 Diamond Hole Saw Diamond Tipped Tile Ceramic Glass Hole Saw Drill Bit

4 Diamond Hole Saw Diamond Tipped Tile Ceramic Glass Hole Saw Drill BitPrecision Tools