This item is a chamfering drill bit tool kit, which is made of safe and durable carbon steel material. It has excellent texture and practical functions. It can be easily applied to countersunk screws and fixing holes on wood and PVC boards of different sizes. With good wear resistance and durability, it can improve your work efficiency. It is a very professional and practical carpentry tool kit. Features -Color: Assorted Color -Material: Carbon Steel -Size: About 12.80X0.80X0.80cm/5.03X0.31X0.31inch -It is made of durable carbon steel material with good texture and can serve you well. -With good process details, the production accuracy of the kit is high, solid and practical. -The countersunk screws and fixing holes on the wooden board can be easily applied, which provides convenience for you. -It has a wide range of uses and is drilling holes in various materials. -The kit is fully equipped, easy to install and use, and can easily meet your needs. Package list: 23 x Drill Accessories