Looking for a torque wrench that can handle even the heaviest duty trucking jobs? Look no further than the AA Heavy Duty Truck Flex Hinge Torque Wrench. With a robust build designed to withstand even the most demanding trucking applications, this wrench is guaranteed to deliver accurate results within +/- 4%. And thanks to the hinge effect, you can say goodbye to over-torquing for good. Plus, the chrome molybdenum ratchet gear and fully heat-treated handle make this wrench at home in the garage or on the service truck.