Specifications: Model: UX-1400 Air Consumption - ft3/min: 21.1 Air Hose Size - in: 3/8 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 5,250 Noise Level - dB(A): 78 Overall Length (approx) - in: 8.7 Overall Length (approx) - mm: 220 Square Drive - in: 1/2 Torque Range - ft lbs: 75 ~ 120 Torque Range - Nm: 100 ~ 160 Weight less Socket - kg: 3.2 Weight less Socket - lb: 7.1