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. And don"t worry, it"s backed by the TEKTON quality guarantee. So, go ahead, Take It On.Set Includes:(1) 1/2 in. Drive Click Torque Wrench(1) Storage Case(1) Instruction Sheet / Torque Conversion ChartSpecifications:Drive: 1/2 in.Ratchet: Cr-V, 24 toothLength: 25 in. Dual Range: 25-250 ft./lb. / 33.9-338.9 N/m. Increment: 1 ft./lb. / 1.355 N/m Accuracy: +/- 4% IMPORTANT: Please read and understand entire manual, including all safety information, before using torque wrench. Store at lowest setting when not in use.