5pcs Diamond Hole Saw Drill Bits Tool Set for Tile Cutter Glass Marble 5mm-12mm

Specification: Brand new Material: metal Color: silver Diameter: 5/6/8/10/12mm (5/32", 1/4", 5/16", 3/8", 1/2") Quantity: 5pcs (5 sizes for one set) Heavy duty hole saws plated with nickel with diamond coating gives superior performance on ceramic tile and similar material Suitable for use in drill hole on glass, marble, tile or granite 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 Can be used with a standard electric drill (Not Included) Always use lubrication (water ), otherwise the diamond core drill will burn Start your hole diagonally, make a round trace and then hold drill straight Package included: 5pcs x diamond hole saw (other accessories are not included) Note: Please allow 1-2mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same