Jaykrishna Magnetics Pvt. Ltd. Offers Permanent Magnetic Plates. Jaykrishna Magnetics Pvt. Ltd. Offers a wide range of permanent electrical and electro magnetic equipments. The Permanent Magnetic Plates are designed in various sizes and strengths. These magnetic plates are used for removing tramp iron such as Bolts, Nuts, Bits of Wire, Nails and other casual contamination from free flowing materials to protect against occasional damage to the plant caused by bits of iron. The Permanent Magnetic Plates can also be used to remove tramp iron from the moving material carried in chutes ducts, spouts or on conveyor belts, screens and feed trays.