Product Details
The Proto® 1/2" drive ratcheting head micrometer torque wrench has a torque range of 16-80 ft-lbs and is ASME calibrated to +/- 3% in the clockwise direction and +/- 6% in the counterclockwise direction at 20% to 100% of its full scale. Calibration is performed by manually loading the torque wrenches. This tool is designed to meet the demands of standard industrial torque applications, making it suitable for general industry, heavy equipment, and maintenance tasks.








