A HOPPER MAGNET is used to protect plastic extruders & molding machines from iron contamination from nuts, nails, iron bits and ferrous particles. It is used to collect ferrous material and prevent contamination. The magnets stainless steel construction protects your material, and the angled diverters make sure material must pass. It is widely used in processing machinery especially plastic molding industries. The magnet protects the molding machines (with standard cone hoppers) and other processing equipment from damage by ferromagnetic particles. The offered HOPPER MAGNET is made for use in the various industries as per the need. It is very effective.