Specifications: Model: UX-800C Air Consumption - ft3/min: 12.3 Air Hose Size - in: 3/8 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 9,000 Noise Level - dB(A): 79 Overall Length (approx) - in: 11.2 Overall Length (approx) - mm: 285 Square Drive - in: 3/8 Torque Range - ft lbs: 20 ~ 31 Torque Range - Nm: 29 ~ 43 Weight less Socket - kg: 1.9 Weight less Socket - lb: 4.3