Air Paving Breaker Weight Class 60 lb Shank Size 1 1/8 in x 6 in Maximum Blows per Minute 1 250 bpm Piston Bore Size 2 1/16 in Piston Stroke Length 5 3/4 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 70 cfm Exhaust Location Rear For Use On Asphalt Handle Type T-Handle Hex Shank Size 1 1/8 in x 6 in Kit Contents (1) Bare Tool Minimum Hose Size 3/4 in