Proto Inch Pound Ratchet Head Torque Wrenches, 3/8 in, 40 in lb-200 in lb (577-6064C)

Calibrated to +/- 4% in both the clockwise and counter clockwise. Calibration is accomplished by manual loading the torque wrenches. Ratcheting mechanisms are performance tested to over 80,000 cycles at 1/3 ANSI proof loads for durability. Manufactured to meet standard industrial torque applications, general industry, heavy equipment, and maintenance. Tool Type: Torque-Wrench Drive; Head Type: 3/4" Drive; Torque Rating: 40 in-lbs to 200 in-lbs; Material(s): Steel.