2Pack N52 Large Neodymium Rare Earth Magnet Big Super Strong 40mm*20mm
2 Pcs N52 Neodymium Magnets. Long magnetic force and long service life, all magnets are coated to provide a smooth, shiny, corrosion resistant and non-scratching surface, neodymium magnets are usually coated nickel-copper-nickel plating to prevent the iron from rusting.