6/8/10/12mm Brazed Diamond Dry Drill Bits Hole Saw Core Drill Bits for Granite Marble Tile Ceramic Glass Eye Dryer Open HoleFeature:6-14mm Diamond Core Drill Bit Dry Drill Bit for Granite, Marble, Porcelain, Stoneware. Made of high quality materials, durable and practical. Imported emery, precision grinding technology, strong wear resistance, fast and efficient. Dry bit, no need to add water, with cooling wax, can cool and lubricate the bit, triangular anti-slip handle, can easily cut hard ceramic tile, ceramic, marble and slate. Specification: Material: Diamond Color: Blue + Silver Size: Length: 65mm Aperture: 6mm, 8mm, 10mm, 12mm Suitable Equipment: Angle Grinder, Electric DrillApplication: Ceramic, Vitrified Tile, Marble, Granite and Other MaterialsNote: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 X Diamond Drill Bit