Neodymium Magnets, Extra Strong Rare Earth Magnets for Fridge Whiteboard Office Noticeboard Crafts Kitchen Map, Small Mini Round Powerful Permanent N52 Grade Magnet Heavy Duty, 12×16 mm, 12 PCS. SUPER STRONG N52 MAGNETS: Rare earth high graded N52 neodymium magnets have a high resistance to demagnetization, will not lose their magnetization around other magnets or if dropped.
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