1. Material: Made of high quality carbon steel, precision made, high strength, durable, smooth surface, anti-embroidery and corrosion resistant.
2. Diversified sizes: 1/4 cork knife (6cm), 3/8 cork knife (10cm), 1/2 cork knife (13cm), 5/8 cork knife (16cm), round handle diameter 8mm.
3. Exquisite packaging: It consists of 4 tapered drill bits and 4 claw drill bits, which are designed in various shapes to meet your daily work needs.
4. Wide range of applications: Suitable for bench and hand drills, we recommend the use of bench drills for more stable operation and improved work efficiency.
5. Note: The speed should not be too fast, it is easy to produce smoke, burnt and so on.