Micrometer Adjustable Torque Wrench Drive Size 1/2 In. Head Type Fixed Ratcheting Yes Calibration Certificate Included Yes Newton-Meter Primary Scale Range 40 to 200 Nm Primary Scale Increments 1 Nm Overall Length 19-7/64 In. Rotation CW Standard Tool (Accessory Needed for Tethering) Accuracy +/-4 Percent CW +/-6 Percent CCW @ 20 to 100 Percent of Full Scale Audible Click Setting Automatic Reset After Set Torque Achieved Min Number of Cycles 5000 Material Steel