Calibrated to +/- 4% 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.
 
Includes two extension handles, each 43" long
Torque wrench is 34-1/4" long. Weight and overall length are for torque wrench assembled with both extension handles