- Adopt die-forging technology, die-forged by large friction pressing machines
- In accordance with Germany DIN standard, die-forging process, high hardness &high torque strength
- Use electrolytic copper as the main raw material, applied in flammable and explosive atmosphere
- Ratchet head with 72 teeth gearing design, turn only 5°to drive the screw nuts easily, suitable and convenient to be used with single hand in narrow spaces
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