PROTO® 1/2" DRIVE FIXED HEAD MICROMETER TORQUE WRENCH 50-250 FT-LBS

Calibrated to +/- 4% in clockwise direction and +/- 6% counter clockwise direction 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.