NORBAR Heavy Duty Truck Torque Wrench. 1" Square Drive - 58" Long Accuracy +/- 4% 200-750 ft. lb.
The breakback design breaks slightly at a hinge point when torque is reached. Rugged, does not rely on a delicate micrometer instrumentation.
Works right or left direction by removing the drive and replacing it in the other side. Includes a certificate of calibration and recalibration service is available.