Features: 100% quality and Brand new. 10 pcs 6mm Carbide Alloy Spear Head Drill Bit This Drill bit is suitable to drill 6mm holes into plates to fit the cake stand handles that are listed in my store. Also suitable for drilling into: Glass, Tile, China, Ceramic These drill bits are used in the building industry as they are quick action and long life. 5. Using high‑quality materials, strong and durable, has a long service life. Specifications: Length: 6.8cm Drill Diameter: 6mm Color: As picture shown Quantity: 10 pcs Tips: - Pour water over area to be drilled. Never allow your drill bit to overheat, take small breaks to allow it to cool by dipping it in cold water - Drilling holes without water will cause excessive heat generated during the drilling process & may cause the bit to become blunt & lead to poor drilling performance - The hardness of the material & the operator determine the overall performance - Do not apply too much pressure as your tile/glass will break - just let the drill do the work - Use rotary action just not hammer action wear safety glasses Package Includes: 10 x Carbide Alloy Drill Bit Glass Tile .