Ingersoll Rand 121Q Heavy-Duty Air Hammer - Make fast work of body panel crimping and cutting, bushing driving, shearing, and general front end work with this air hammer, a super duty tool that produces up to 3,000 blows per minute. Professional touch trigger for total control. Long-life tool with a tough one piece alloy barrel. Easy to maintain, with an “easy-out” throttle valve assembly.