Williams® Round Head Ratchet, 3/8" Drive, 7-5/8"L, 0.64 Lb, Chrome

Proto® Torque Multiplier 2200 ft-lbs, 19-19/32" Long, W/NIST Cert Maximum rated input: 162 ft-lbs (220 Nm). Maximum rated output: 2200 ft-lbs (2983 Nm). Standard torque accuracy is +/- 5% of reading. Reaction system: tubular reaction bar. Gear system: two stage planetary. Angle of turn protractor: 5° increments. Anti-backlash device: self-contained, 3 position. Certification documents traceable to N.I.S.T. (National Institute of Standards and Technology).

Proto® 1/2" Drive Extension 10" Made from alloy steel. Heat-treated for strength and durability. Rigid extensions.

1/2" DRIVE CLASSIC TORQUE WRENCH 30-150 FT LBS 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

Easy to use. Comfortable tri-lobular handle. 1/4" interchangeable bit magnetic receptor. Cam-based torque limiter. Scale is easy to read. Lightweight. Automatically blocks counter-clockwise turning.

Fixed Square Drive Heads - Sae, Intechangeable heads permit torquing capability with adjustable torque wrench bodies.