Excellent for making clean and accurate holes on glass and tile;Works better with an electric drill;Make sure you keep drill bit wet during drilling to get maximum life.;Material: Metal;Cutting Hole Diameter: 45mm/1.77, Total Length: 50mm/1.96

• SkyQ 45mm Diamond Coated Hole Saw Drill Bit Set Glass Ceramic Marble Cutter Pack of 5

SkyQ 45mm Diamond Coated Hole Saw Drill Bit Set Glass Ceramic Marble Cutter Pack of 5SkyQ Technology