Tooluxe 30124L 1" Twin Hammer Air Impact Wrench Set, 1200'/lb. Max Torque Made for high torque applications to remove large and stubborn lug nuts Twin hammer mechanism provides a smoother operation with reduced vibration Pistol like grip provides ergonomic handle for ease of use for less hand fatigue during long operations Set comes with two sockets: 1-1/2" and 1-5/8" and top handle attachment in a sturdy blow molded case Specs: 1,200 ft./lb max torque, 3,800 RPM free speed, 12 CFM air consumption, 1/2" NPT air inlet/hose size, and 1-5/8" bolt capacity