This is a unique device to protect Plastic Extrudes/Moduling Machines against iron contamination such as Nuts, Nails, Iron Bits etc. and ensure the trouble free and smooth operation of the machine. Four standard sizes both in Round and square are available and can be selected on the basis of the size and shape of Hoppers. High power Magnetic Rods are provided which prevents any iron material to enter in to the Machine. Special size Hopper Magnets are also supplied. Most useful for Plastic, rice Mill, Flour Mills, Cattle feed & Guar Gum industries. Available in S.S. 304/316 construction also for Dyes & Chemical Industries.