The Ingersoll Rand Air Hammer and Chisel delivers a 2 5/8in. stroke and 3500 BPM, making it ideal for exhaust work, cutting metals, chipping and scraping surfaces. Key Product Specs Blows Per Minute (BPM) 3,500 Air Consumption (CFM) 4 Stroke Length (in.) 2 5/8 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Chisels Included Yes (3) Case Included No Additional Product Specs * Medium barrel length with built-in power regulator and professional touch trigger * Ideal for exhaust work, cutting metals, chipping and scraping surfaces