Specifications: Model: UX-900C 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): 79 Overall Length (approx) - in: 13.3 Overall Length (approx) - mm: 338 Square Drive - in: 3/8 Torque Range - ft lbs: 25 ~ 40 Torque Range - Nm: 35 ~ 55 Weight less Socket - kg: 2.2 Weight less Socket - lb: 5.0