Micrometer Torque Wrench Drive Size 3/8 In. Head Type Ratcheting Tear Shape Calibration Certificate Yes Primary Scale Range 50 to 250 in.-lb. Primary Scale Increments 1 in.-lb. Standard Tool(Accessory Needed for Tethering) Overall Length 11-1/2 In. Rotation CW/CCW Accuracy +/-4 Percent CW +/-6 Percent CCW Audible Click Ratcheting Angle 12 Degrees Teeth 32 Setting Automatic Reset After Set Torque Achieved Min Number of Cycles 5000 Material Chrome Vanadium