Proto J199WP Air Impact Wrench, Full Size, 1 in Drive, Pistol Grip, Square, 1 2 in NPT Air Inlet, Std 22700 Pressure Rating High Pressure Wall Pressure Rating High Pressure Wall Thickness Rating Thick Shape Straight Fitting Type Pipe Threading Threaded on Both Ends Fitting Connection NPT Male Pipe Size 1 Length 2" Construction Seamless Pipe Schedule 80 Material Phosphate Coated Steel Connects To Pipe For Fitting Material Iron OSHA PPE compliant Includes (10) CR123a Batteries Excellent Power to Weight Ratio Rubber bumper for durability Tool Support hangers for use with balancers Additional Features: 2 Stage Trigger for more control Adjustable Side Handle Included Comfort grip for low vibration Compact size for tight spaces 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