This Ingersoll Rand standard duty air hammer features a longer stroke piston for bolt cutting, exhaust and front end work. Key Product Specs Blows Per Minute (BPM) 2,000 Air Consumption (CFM) 3 CFM at Load 14 Stroke Length (in.) 3 1/2 Bore Diameter (in.) 11/16 Shank Diameter (in.) 0.401 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Chisels Included No Case Included No Tool Length (in.) 9 29.32 Additional Product Specs * Trigger control * Built-in power regulator * Alloyed steel barrel * Heat-treated piston for longer life