1/4″ DR. Torque Screwdriver
- Suitable for 1/4″ Hex insert bit; 1/4″ socket
- Automatic adjustment knob design
- Easy-to-read laser scale
- Ergonomic comfort rubber grip
- Tolerance of torque ±6%(CW)
- DIN ISO 6789 & ASME B107.300-2010
- Calibration must be done regularly to ensure accuracy. Suggested calibration period is at least every 12 months or 5000 times of usage
