Bench Sand Rammer, Hole Diameter 1 5/8 in, Piston Bore Size 2 1/2 in, Piston Stroke Length 2 1/2 in, Maximum Blows per Minute 1,800 bpm, Butt Diameter 1 5/8 in, Tool Weight 3 lb, Air Inlet Gender Female, Air Inlet Size NPT, Air Consumption 14.1 cfm,...