For cars, trucks, SUVs, and other large vehicles and equipment, choose the dual range 25-250 ft./lb. (33.9-338.9 N/m) TEKTON 1/2 in. Drive Click Torque Wrench. It prevents damage to parts or fasteners caused by accidental over-tightening during reassembly. This simple, easy-to-use ratcheting wrench is ideal for do-it-yourselfers and professionals alike. Just twist the non-slip, knurled handle to specified torque value and lock in place. The high-contrast scale provides excellent visibility, even in low light. As you tighten fastener, you will hear and feel a click when pre-set torque value is reached. At the click, fastener is properly tightened. There is no guesswork and no broken fasteners or damaged parts. The all-steel construction, chrome vanadium ratchet head and corrosion-resistant finish mean you can expect years of dependable service. Wrench is shipped pre-calibrated (+/- 4% accuracy) and ready to use.