Non Shut Off 1/4hex 3.5-5.8nm Air Consumption - ft3/min: 5.3 Air Hose Size - in: 1/4 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 11,500 Noise Level - dB(A): 71 Overall Length (approx) - in: 6.1 Overall Length (approx) - mm: 155 Torque Range - ft lbs: 2.5 ~ 4.2 Torque Range - Nm: 3.5 ~ 5.8 Weight Less Bit - lb: 1.6 Weight less Socket - kg: 0.8