^Powerful yet economical for fast cutting action. ^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 in 0.401. ^Bore in +". ^Stroke in 2.63. ^Blows per min. @ 90 PSI. ^Weight lb 3.7. ^Ave. Air consumption cfm 3.65. ^Actual Air consumption @ load cfm cfm 14.6. ^Air inlet thread in 1/4"NPTF. ^Min. Hose Size in 3/8. ^Sound Level dB(A) 98. ^Sound Power dB(A) 109. ^Vibration Level m/s 9.Chicago Pneumatic