1. Material: aluminum alloy + iron
2. Special device on the head for easy removal of valve cores
3. Magnet at the tail for attaching to iron tools
4. Anti-slip, hard aluminum material, rust-resistant, convex design increases friction
5. High hardness, good toughness, durable, not easy to break or slip
6. Easy to use, suitable for all standard valve cores
7. Weight: 32 grams
8. Length: 11 centimeters