Specifications: Model: UXR-1820 Air Consumption - ft3/min: 24.7 Air Hose Size - in: 1/2 Air Inlet Thread N.P.T. - in: 3/8 Free Speed - rpm: 4,600 Noise Level - dB(A): 82 Overall Length (approx) - in: 9.5 Overall Length (approx) - mm: 242 Square Drive - in: 3/4 Torque Range - ft lbs: 120 ~ 185 Torque Range - Nm: 160 ~ 250 Weight less Socket - kg: 4.1 Weight less Socket - lb: 9.0