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 RestrictionsCalifornia Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Torque ScrewdriversAll meet or exceed ASME B107.14M.WestwardCalibrated to 2.5 to 3% CW/CCW of torque reading