Air Hammer Duty Heavy Duty Shank Shape Round Stroke Length 3 in Air Inlet Size 3/8 in NPT Female Kit Contents (1) Bare Tool (1) Retainer Blows per Minute 2 300 bpm Shank Size 0.68 in Air Inlet Gender Female Air Inlet Type NPT Air Inlet Connection Size 3/8 in Compatible Collar Shape Oval Retainer Type Chisel Power Source Air Powered Air Consumption 23.5 cfm Air Pressure 90 psi Exhaust Location Side Min Hose Size 3/8 in Material Application Concrete Steel