ferrite rod Applications:filter device Material:NiZn ferrite ♣ Ferrite♣Ferrites ... injection molding, made from the stainless steel, tungsten, Iron-base alloy, tool steel, hard metal alloy. 2, ... Rare earth magnet, including sintered Neodymium-Iron-Boron, bonded Neodymium-Iron-Boron, sintered Samarium-Cobalt. All magnets are ... .Purchasing quantity 3. other requirements soft filter ferrite rod magnet