5Pcs Practical Triangle Drill Useful Ceramic Glass Drill Durable Drilling Tools

Description This is a set of woodworking drill bit suitable for glass ceramics vitrified tiles all-ceramic tiles brick walls wood plastics. It is suitable for industrial hinge installation wood processing and maintenance model making etc. High-quality materials strong will not be easily damaged. Features - Color: Black. - Material: Hard alloy. - Size: About 8.30X1.00X1.00cm/3.26X0.39X0.39inch. - Type: 4mm 5mm 6mm 8mm 10mm. - With good wear resistance and durability it can improve your efficiency. - Sturdy and durable it is a very professional and practical carpentry tool kit. - Can be used for a variety of wood wood products plastics glass and other materials. - Purposes: designed to fight hinges woodwork perforated plastic products. - The unique makes the electric drill clamping more secure and the drill hole less slippery.