Torque Screwdriver Electronic Drive Size (In.) 1/4 Primary Scale Range 0.44 to 4.42 in.-lbs. Primary Scale Increments 0.01 in.-lbs. Overall Length (In.) 8 Rotation CW/CCW Accuracy +/-3 CW +/-4 CCW Reset Type Automatic Click-Over Housing Material CR-V Steel Grip Type Anti-Slip Handle Meets/ExceedsISO 6789 CE NIST AIST Calibration Certificate Yes Includes Blow Mold Case (1) AAA Battery