Glass Drill Bits 3mm-12mm Triangular Metal Drill Bit Multi-function Carbide Power Diamond Tile Bits Wall Ceramic Hole Opener _x000D_ _x000D_ _x000D_ _x000D_ It has strong toughness and wear resistance Incision resistance are small, increase the opening speed, long service life Industrial grade Coated Carbide Point Can be installed in the hand drill, electric drill Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole Specifications: Type: Glass Drill Bit Material: Alloy Drill diameter: 3mm/4mm/5mm/6mm/8mm/10mm/12mm Package Includes:1* Glass Drill Bit Note Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_