15Pcs Diamond Hole saw Drill Bit Tool 6-50 mm Ceramic Porcelain Glass Marble

Features: --100% brand new and high quality. --This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other. --Materials and only needs water for lubrication. --Always use lubrication (water), otherwise the diamond core drill will burn. --Can be used with a standard electric drill. --Start your hole diagonally, make a round trace and then hold drill straight. Size: 6/8/10/12/14/16/18/20/22/25/26/28/30/40/50mm 0.23/0.31/0.39/0.47/0.55/0.62/0.7/0.78/0.86/0.98/1.02/1.10/1.18/1.57/1.97" Quantity: 15 pcs Packaged included: 1 x 15pcs Diamond Coated Hole Saw Drill Bits