5Pcs Diamond Tile Hole Saw Drill Bit Bits Set Glass Marble Granite Slate Cutting Tool

- 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( Excluding in this item ) - Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole on glass, tile and marble - Always use lubrication (water ), otherwise the diamond core drill will burn - Start your hole diagonally, make a round trace and then hold drill straight - Popular Sizes: 3/4" (20mm) &1" (25mm)&1 1/4" (32mm) &1 3/8" (35mm)&1 1/2" (38mm) Package Includes : 1 x 5pcs Diamond Coated Hole Saw Drill Bits Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .