Foot Pound Ratchet Head Torque Wrenches, 3/8 in, 20 ft lb-100 ft lb

Features: Calibrated to +/- 3% clockwise direction and +/- 6% counter clockwise at 20% to 100% of full scale | Calibration is accomplished by manual loading the torque wrenches | Manufactured to meet standard industrial torque applications, general industry, heavy equipment, and maintenance