Chicago Pneumatic CP7749 1/2-Inch Air Impact Wrench Power Tools Will not damage inner walls

Will not damage inner walls of duct

What's in the Box

Air Pressure: 90psi

Unit specifications include a free speed of 18

ca Product Description Knockout punch

Chicago Pneumatic CP7749 1/2-Inch Air Impact Wrench Power Tools Will not damage inner wallsExtreme torque: 955 ft. lbs (1300 Nm) in reverse with a Twin Hammer Mechanism^S2S (Side to Side) Technology: For forward reverse functionality located directly above the trigger^Ergonomic, curved handle with Thermo Plastic Rubber injected in housing for strong durability, less weight and comfortable grip, provides insulation and is resistant to most chemicals used in workshops^Easy operation with the power setting system positioned behind the trigger