Foot Pound Ratchet Head Torque Wrenches, 1/2 in, 30 ft lb-150 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