This Ingersoll Rand air hammer features an alloyed steel barrel and heat-treated piston for longer life. Key Product Specs Blows Per Minute (BPM) 5,000 Air Consumption (CFM) 2 CFM at Load 14 Stroke Length (in.) 1 5/8 Bore Diameter (in.) 3/4 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.) 6 1/8 Additional Product Specs * For light exhaust work, general cutting, chipping and scraping * Built-in power regulator and trigger control