Air Chipping Hammer Industrial Shank Size 0.580 In. Hex Shank Type Stroke Length 2 In. Average CFM @ 15 Second Run Time 7.0 28.0 CFM @ Full Load Air Inlet 3/8 In. Min Hose 1/2 In. Overall Length 16 In. Required Pressure 90 psi D Type Handle Type Grooved Barrel with Spring Type Retainer