Proto J199WP Air Impact Wrench, Full Size, 1 in Drive, Pistol Grip, Square, 1 2 in NPT Air Inlet, Std 62WA92 this reliable set covers the this reliable set covers the fasteners you'll encounter most frequently UL Listed Switch Type Heavy duty forward off reverse and integral foot switch Characteristics Cam Action Rear Centering Device Turns with Chuck 7 m sq sec Built In Light No Tool Life Long Lasting Air Inlet Type NPT Air Pressure Minimum 90 psi Air Pressure Maximum 90 psi Drive Shape Square Bolt Capacity Maximum 3 in Frequency of Use Frequent Maintenance to Heavy Production Power Source TS Only Air Powered Power Source old Air Powered Country of Origin Taiwan 000 RPM Air Inlet 1 2 in NPT Handle Type Pistol Grip Retainer Type Through Hole Features Rubber bumper for durability Handle Material Composite Tool Weight 15