Air Hammer Kit Duty Light Duty Shank Shape Round Stroke Length 1 5/8 in Air Inlet Size 1/4 in NPT Male Kit Contents (1) Bare Tool (5) Chisels Blows per Minute 5 000 bpm Shank Size 0.401 in Air Inlet Gender Male Air Inlet Type NPT Air Inlet Connection Size 1/4 in Compatible Collar Shape Round Retainer Type Quick Change Power Source Air Powered Air Consumption 4 cfm Air Pressure 90 psi Exhaust Location Side Min Hose Size 3/8 in Material Application Concrete