Proto J199WP Air Impact Wrench, Full Size, 1 in Drive, Pistol Grip, Square, 1 2 in NPT Air Inlet, Std 22700 Series Bright and Soft Series Bright and Soft 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 2 ft lb lb Impact Rated Yes Impacts per Minute 900 Clutch Style Twin Hammer Drive Type Standard Min 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