Ingersoll-Rand Model 212 3/8" Super Duty Air Impact Wrench.
Tremendous power and longer life make this wrench the popular choice of professional mechanics for exhaust systems, air conditioning, radiators, body shop, and bench work. Still the most powerful 3/8" pistol-grip on the market, it offers all the advantages of the Single Hammer Impact Mechanism for removing and replacing bolts up to 7/16" without a struggle.
Power up to 180 ft.-lbs.
Unaffected by air pressure changes.
More torque, less vibration.
Pistol-style yet extremely compact and lightweight.
Built-in power regulator prevents over-torquing.
Free speed: 10,000 RPM;
Max torque: 180 ft.-lbs.;
Avg air consumption: 2.5CFM.