Chicago Pneumatic CP717K Super Duty Air Hammer Kit - Pneumatic Hammer with Positive Action Trigger. Hammer Drills Easy-to-Control Impact Hammer: Power hammer is an ideal tool for front-end work, deep cutting, and bolt riveting. Air chisel features a positive action trigger for effective control over speed. Powerful Power Tool: Pneumatic chisel delivers 1800 blows per minute. The Hand tool is built with maximum power for heavy-duty off-road, maintenance and locomotive applications. Comfortable Concrete Tool: Super-duty pistol grip hammer provides comfortable handling in repair activities. Has the ability to work with flexible operating positions. Heavy-Duty Applications: High power air hammer is suitable to use for front end work, king pin bushing removal, installation of bulldozer walking beams and bolt shearing. Portable Air Hammer Kit: Air hammer kit comes in a packed case including a CP717 hammer, a 4-piece 0.498 chisel set and a spring style retainer. Easy to transport to work sites.