Achieves the highest CPK performance by combining the precision match of a pulse unit, air motor and automatic shutoff Provides the tightest mean shift across the joint spectrum by releasing less kinetic energy and more pulses per second of applied torque Air Consumption - ft3/min: 35.3 Air Hose Size - in: 3/8 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 3,500 Noise Level - dB(A): 82 Overall Length (approx) - in: 9.7 Overall Length (approx) - mm: 246 Square Drive - in: 3/4 Torque Range - ft lbs: 102.7 ~ 154.7 Torque Range - Nm: 140 ~ 210 Weight less Socket - kg: 3.5 Weight less Socket - lb: 7.7