Chicago Pneumatic heavy-duty air hammer with vibration isolation system provides smooth operation and control. Powerful yet economical for fast cutting action. Kit includes 4 chisels and case. Ideal heavy-duty tool for exhaust work, bolt-cutting, bushing driving, shearing and front-end work. Key Product Specs Blows Per Minute (BPM) 3,200 Air Consumption (CFM) 3 1/2 Stroke Length (in.) 2.63 Bore Diameter (in.) 3/4 Shank Diameter (in.) 13/32 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Chisels Included Yes Case Included Yes Tool Weight (lbs.) 3.7 Additional Product Specs * Touch trigger for precision starts and control * Cushioned exhaust deflector on barrel * Includes air hammer and posilock retainer * 4 chisels * Carrying case