Micrometer Torque Wrench, Drive Size 3/8 In., Head Type Ratcheting, Calibration Certificate Yes, Primary Scale Range 10 to 100 ft. -lb., Primary Scale Increments 0.5 ft. -lb., Secondary Scale Range 16.9 to 132.2 Nm, Secondary Scale Increments 0.70 Nm, Overall Length 16 In., Rotation CW/CCW, Accuracy +/-4 Percent CW, +/-6 Percent CCW @ 20 to 100 Percent of Full Scale, 30 Teeth, Min. Number of Cycles 5000, Material Steel, Handle Metal, Meets/Exceeds ASME B 107.14 -2004, ISO 6789 Standards