Capri Tools 31000 10-80 Foot Pound Torque Wrench, 3/8-Inch Drive 3/8" Drive, 10-80 ft-lbs, .5 ft-lb increments, +/-4% accuracy Constructed of Chrome Vanadium with a matte finish High contrast scale is easily visible, even in low light situations Pulse-stop technology lets you feel and hear when desired torque setting is reached Accuracy threshold is tested and validated as +/- 4%