Heavy duty air cylinder to smash all kinds of aluminum cans easily. Cylinder Bore ID: 2.48 Inch(63mm); Cylinder Stroke: 7.9 Inch(200mm). Provide sufficient force to crush the cans Sturdy & Durable, Auto can ejection on the up stroke of cylinder, frame is made of 3/16 steel. This unit can be either put on the wall or laid flat.