Bench Sand Rammer, Hole Diameter 2 in, Piston Bore Size 2 1/2 in, Piston Stroke Length 2 1/2 in, Maximum Blows per Minute 1,020 bpm, Butt Diameter 2 in, Tool Weight 7 lb, Air Inlet Gender Female, Air Inlet Size NPT, Air Consumption 17.7 cfm, Air Inlet Type 3/8 in NPT Female, Handle Type Straight, Kit Contents Safety Lever, Minimum Hose Size 3/8 in, Primary Material Application Foundry, Product Type Sand Rammer, Retainer Type Latch, Sand Rammer Style Benchtop, Series CP0200 Series