Pneumatic Chiesel Download Brochure Looking for Spares Pneumatic Chipping hammer is used for a wide variety of construction and industrial applications, from light to medium chipping to heavy cutting. Technical Specifications Weight (lbs): 16.5 Length (in): 16.7 Chuck Size (in): .580″ Hex Air Consumption (cfm): 29.7 Air Inlet (in): 3/8″ NPTF Stroke (in): 3 Blows per Minute: 1800 Retainer Type: Spring Type Muffler Included: No Handle Type: Pistol Grip