This Plate Magnet or Magnetic Plate helps removing ferrous particles from raw material such as grain, foodstuff, plastic, minerals and glass. Easy installation. It can be installed in the hopper, duct or chute. As raw material passing the magnetic plate, the tramp irons will be caught by the plate magnet. The raw material that pass the magnet will be clean without iron rust or contaminated tramp irons. Dimensions and magnetic strength can be custom made to fit customer's requirement and working space.