Toyella Marble hole opener 15 Pieces

Packaged included: 1 x 15 pieces coated diamond hole saw drill bits Specifications: 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 pieces Characteristics: - This diamond-coated core drill bit eliminates a complete circle of glass tiles marble granite ceramic or other. - Materials and only needs water for lubrication. -Always use lubrication (water) otherwise the diamond drill will burn. -Can be used with a standard electric drill. -Start your hole diagonally make a round trace and keep the drill straight.