Pavement Breaker Weight Class 50 lb Shank Size 1 1/8 in x 6 in Maximum Blows per Minute 1 150 bpm Piston Bore Size 1 3/4 in Piston Stroke Length 6 1/4 in Retainer Type Latch Vibration Reducing Handles No Sound Reducing Muffler No Air Inlet Gender Male Air Inlet Size 3/4 in Air Inlet Type NPT Air Consumption 58 cfm For Use On Asphalt Concrete Stone Paving Hex Shank Size 1 1/8 in x 6 in Minimum Hose Size 3/4 in Primary Material Application Asphalt Concrete Stone Paving