AUTOMATIC EJECTION OF FLATTENED CANS ? Prevents Hand Injuries: Automatically ejects flattened cans to avoid cuts from sharp edges. HEAVY-DUTY PERFORMANCE ? Powerful Crushing Force: Equipped with a robust 2 1/2 inchx 8 inch heavy-duty cylinder, providing ample crushing power. DURABLE CONSTRUCTION ? Long-Lasting Components: Features a 2.5 mm thick piano paint metal body and a 6061 aluminum cylinder, ensuring years of reliable, trouble-free use. USER-FRIENDLY DESIGN ? Effortless Operation: Includes an enlarged mechanical valve button, making it easier and more comfortable to press by hand, reducing fatigue. SAFETY NOTICE ? Operating Pressure: Requires a working pressure of 100 psi. An air compressor is necessary to operate the can