Chipping Hammer Air Consumption: 22 CFMBlows Per Minute: 1900Bore / Piston: 1-1/8 INHandle Configuration: Open (Gooseneck)Inlet Size: 3/8 NPTLength: 13 1/4 INLever Configuration: OutsideMuffler: NoRecommended Hose Size: 1/2 INRetainer Type: Oval CollarShank Size: .680 RoundStroke: 2 INWeight: 15.2 LB Download 2" Stroke Gooseneck Chipping Hammer. Uses round shank chipper steel. Featuring plate style valve. Designed for cleaning castings, bushing concrete, and cutting or chipping masonry materials of all types. Ideal for shipyards, foundries and contractors.