Powerful. yet economical for fast cutting action; Includes (1) quick change retainer. (4) chisels. and heavy duty carrying case; Vibration isolation system for smoother operation and greater comfort; Unique cushioned exhaust deflector on barrel for comfort and control; Touch trigger for precision start ups and total control Ideal for exhaust system work. bolt cutting. bushing driving. shearing and front end work.; Shank: .401.; Average air consumption: 3.65 cfm; Ship Weight: 8 lbs.