FINDMAG 12 Pack Neodymium Magnets, 40x10x3mm Rare Earth Bar Magnet with
Manufacturer FINDMAG. Material Iron, Neodymium. Corrosion Resistant : Enhanced with a Ni+Cu+Ni triple layer coating, these magnets boast superior corrosion resistance for long-lasting performance. AGE 15+ ONLY：Contains strong magnets.