UNOAIR I-65 ( " ) Impact Wrench ( Twin Hammer) Torque : 800 Ft-Lb Specification Model : I-65 Square Drive in : Bold Size Capacity in : 1-1 16 mm : 27 Free Speed rpm : 4800 Max Torque ft-lb : 800 n-m : 1085 Overall Length in : 9- mm : 248 Net Weight lbs : 10.8 kgs : 4.9 Air Inlet ( in) : Air Hose ( in) : Avg.Air Consumption cfm : 7 m / min : 0.2