Metal Shredder Is Specially Designed For Shredding Waste Metal Like Car, Steel, Aluminum, Steel Wire, Cooper Into Clean-cut Primary Scraps Down To Size. With The Special Design Of Low Speed, High Torque Operation, Minimized Noise And Power Consumption High Production, Metal Shredder Features A Patented Knife System Manufactured For Extremely Durable And Easily-replacing Knife Which Result In Giving The Input Metal Clean And Fast Cut.