Another important tool for every car mechanic is a digital torque wrench. This tool is designed for tightening threaded joints to a specified torque. The tightening torque is controlled by a special mechanism inside the body of the product. In modern cars for assemblies regulate the requirements for tightening the threads when assembling mechanisms, it depends on reliability and safety in operation, as well as the service life of parts and the accuracy of mating elements. Torque wrench is a useful tool for the car, which must be available to everyone.