Captures Directly Applied Torque. Torque Range Min- Max (S.I.) 1.8-18 N.m, (Metric) 18-180 kgf.cm, (American) 16 -160 in.lbs Over Torque capacity 150 %, 2000 r.p.m., 1/4 Square Drive 1. Cable is supplied as standard accessory. 2. Not available for impact wrench. 3. Torque input and output accept square drive. See specification table. 4 . Display Unit CD42 is required for value display. CD42 is optional.