Designed to minimize torque spike on hard joint applications or where tool weight or application process is a concern Provides increased power under load with the 9-blade double-chamber motor and patented double-blade pulse mechanism Recommended Air Pressure: 85 psi NOTE: Torque ranges reflect residual B joint torque values Air Consumption - ft3/min: 31.7 Air Hose Size - in: 3/8 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 4,000 Noise Level - dB(A): 84 Overall Length (approx) - in: 9.6 Overall Length (approx) - mm: 245 Square Drive - in: 3/4 Torque Range - ft lbs: 117.9 ~ 198.5 Torque Range - Nm: 160 ~ 270 Weight less Socket - kg: 3.8 Weight less Socket - lb: 8.4