Chicago Pneumatic CP7110K Air Hammer Kit - Power Hammer with Vibration Isolation System. Hammer Drills Heavy-Duty Power Tool: Hand tool has the ability to perform with maximum power for exhaust system work, bolt cutting or bushing driving. Air chisel has a standard 0.401 round shank, -in. bore and a teasing trigger for slow start-up and precise control. Easy-to-Use Impact Hammer: Power hammer is designed with unique vibration damping abilities. Pneumatic chisel features a unique cushioned exhaust deflector on the barrel for extra comfort and balance. Quiet Concrete Tool: Hammer tool is equipped with an excellent pistol grip that offers convenient handling during repair activities. Pneumatic air hammer comes with an in-built muffler to lower down the exhaust sound. Vibration Isolation System: High power air hammer features a vibration isolation system for smoother operation. Hand chisel is a suitable tool for heavy-duty applications such as shearing and front-end work. Specifications: Air hammer kit comes in a packed case that includes a heavy-duty pistol grip hammer, a quick-change retainer, spring retainer and 4 chisels. Air-powered tool measures 13.5 x 9.1 x 2.8 in.