Product details:

An economical air hammer with a longer piston stroke, this tool is designed for exhaust work, bolt cutting, and front end work. The trigger control and a built-in power regulator give you full control of the speed and power. Longer stroke piston. Alloyed steel barrel and heat-treated piston for longer life. Up to 2000 blows per minute. 3-1/2" stroke. Long Stroke Kit with 5 pneumatic chisels. Air Hammer Kit .401 Shank 2000 Blows per Minute Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.