ITEM NAME:1 x Neodymium Iron Boron Strong Magnet D32 With Circular Rings Salvage 3 MXS.> 1 Pcs Neodymium Iron Boron Strong Magnet D32 With Circular Rings. Material:strong magnet + A3 steel + 304 rings. Application scope: containing iron nickel material panel. Adsorption on the refrigerator and put the key.