Specifications: Model: UX-900 Air Consumption - ft3/min: 16 Air Hose Size - in: 3/8 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 7,600 Noise Level - dB(A): 72 Overall Length (approx) - in: 7.0 Overall Length (approx) - mm: 177 Square Drive - in: 1/2 Torque Range - ft lbs: 35 ~ 55 Torque Range - Nm: 45 ~ 75 Weight less Socket - kg: 1.9 Weight less Socket - lb: 4.1