Description
1. High frequency quenching, high hardness, high torque, good toughness
2. Environmentally friendly and healthy material, durable
3. Material: high carbon steel
4. Size: 2 inches: 9x6.5cm, 3 inches: 10.5x7.5cm, 4 inches: 13.5x7.5cm, 6 inches: 16.5x10cm, 8 inches: 19x11cm
5. Weight: 2 inches: about 254g, 3 inches: 357g, 4 inches: 433g, 6 inches: 606g, 8 inches: 762g
