Non Shut Off 1/4hex 2.5-3.1nm. Air Consumption - ft3/min: 5.3 Air Hose Size - in: 1/4 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 11,000 Noise Level - dB(A): 71 Overall Length (approx) - in: 8.7 Overall Length (approx) - mm: 222 Torque Range - ft lbs: 1.8 ~ 2.2 Torque Range - Nm: 2.5 ~ 3.1 Weight less Socket - kg: 0.6 Weight less Socket - lb: 1.5