Description
1. Carbon steel material, good hardness, wear-resistant and durable
2. Black surface treatment, corrosion resistance, not easy to rust
3. Material: carbon steel
4. Specifications: 3/4 inch, 7/8 inch, 5/8 inch, 1/2 inch, 3/8 inch, 1/4 inch
5. Weight: about 147g/set