1. Material: vanadium steel 2. Surface treatment: nickel-chromium plating 3. Slotting width: 7/17mm 4. The inner diameter of the sleeve: about 22 mm 5. Size: about 90x32 mm 6. Weight: about 300g/piece 7. Scope of application: car repair 8. Features: beautiful and practical, high temperature quenching, not easy to rust, durable, high hardness, high torque, good toughness
