Make: Lot of (2) APT, Model: American Pneumatic Tools 131, Item Dimensions: 53" L x 12" W x 6" H, Item Weight: 82 lbs, Location: Kent, WA 98032 United States, Flapper valve design, Built-in automatic oiler, Internally reinforced malleable iron butt, Transport Dimensions: 56" L x 42" W x 10" H, Transport Weight: 130 lbs, Butt Diameter: 6", AFM @ 90 psi: 38-42, Bore and Stroke: 1.5" x 5.5", Impact Rate: 670 bpm