The Digitool Solutions SPT Torque Tester is designed to offer an accuracy level of +/- 0.5 percent of reading 10 to 100 percent of scale. The SPT operates in both CW and CCW directions, and tests all mechanical click, presets, dial, beam and electronic wrenches. The series features torque ranges from 24 in-lbs to 600 ft-lbs; drive sizes of 3/8", 1/2" and 3/4"; measurements in ft-lb, in-lb and Nm scales; easy to operate four-button key pad; three modes (Track, Peak Hold and First Peak); warning LED buzzer and vibration; and more. This tester is made in the USA.