- One-time die-forged by large friction pressing machine
- Non-magnetic, strong&durable, low density, corrosion resistant. Smooth and flexible scroll wheel, not get stuck, improving work efficiency
- Low density and lightweight,high hardness, large torque, good toughness and clamping force
- Smooth opening in the head, not easy to wear, long service life. End with round hanging hole, easy to carry
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