Air Hammer, Manufacturer suggested retail price. $64.48 Standard Duty Air Hammer This powerful, yet economical high-speed air hammer, is designed for light exhaust system work and general cutting, chipping and scraping Up to 5,000 blows per minute Alloyed steel barrel and heat-treated piston for longer life Built-in power regulator and trigger control Manufacturer: Ingersoll Rand 1 yr warranty on material and workmanship