Introducing the Aluminum Air Can Crusher, a heavy - duty and eco - friendly recycling tool. This can crusher features an air cylinder design. Just press the valve button, and it can smash almost all kinds of aluminum cans. It uses a safety mechanical valve with a special rubber spacer to avoid mis operation, ensuring safe use. Made of all - steel material for the frame and piston, it is extremely sturdy and durable. The cylinder has a bore ID of 63mm and a stroke of 200 mm, and can handle cans with an outer diameter of up to 2.8 in. and a height of 7 in. Operating at a working pressure of 100 PSI, it requires an air compressor to drive. This countertop - style can crusher is perfect for home or small - scale recycling, helping you save space and promote environmental protection. It's a must - have for anyone looking for an efficient and reliable can - crushing solution. Material: Steel Alloy.