CDI, 1003LDFN, CLASSIC Series 1/2" Dial Torque Wrench Dual Scale, 0-100 ft lb Features Sturdy body construction insures maximum durability Easy to Read Laser Marked Dual Scale Large easy to read dial is shock resistant and protected by a tough metal guard Memory needle retains highest torque reading applied Calibrated in both CW and CCW direction Accuracy: ± 4% of indicated value, CW & CCW, from 20% to 100% of full scale Individually serialized with matching certificate of calibration traceable to N.I.S.T.