UNOAIR I-416 ( " ) Composite Impact Wrench ( Twin Hammer) Torque : 1000 Ft-Lb Specification Model : I-416 Square Drive in : Bold Size Capacity in : ] mm : 16 Free Speed rpm : 10000 Max Torque ft-lb : 1000 n-m : 1356 Overall Length in : 7-19 32 mm : 193 Net Weight lbs : 4.41 kgs : 2 Air Inlet ( in) : Air Hose ( in) : Avg.Air Consumption cfm : 10 m / min : 0.28