1. Material: tungsten steel
2. Application: for auto glass repair
3. After high-frequency welding technology and heat treatment, it is durable
4. High hardness, good wear resistance
5. Drill with high efficiency and labor saving, not easy to break
6. Sharpened cutting edge, fast drilling speed
7. Diameter: 1mm
8. Length: 1.8cm
Note: delivery only drill accessories, does not include other items in the picture