The Chicago Pneumatic 1in. impact wrench with anvil delivers an impressive 1450 ft.-lbs. of torque and provides the power you need.Drive 1in.Average Air Consumption8 3/4CFMSpeed - No Load 5,000RPMBlows Per Minute700BPMWorking Torque 1,450ft.-lbInlet Size 1/2in.* 1450 ft.-lbs. of torque* 6in. extended anvil* Efficient 6-vane motor with high-performance clutch* 3-position power regulator and forward/reverse switch* Ergonomic trigger and handle* 5000 RPM free peed; 700 BPM * 8.75 CFM; handle exhaust * 1/2in. inlet