1x 20x20mm Potente Magnete al Neodimio Terre Rare Asta Magnetica Rotonda Calamita (L)

When added to Iron (Fe) and Boron (B) (chemical formula Nd14Fe21B) the resultant magnets are the strongest magnets currently available. Neodymium magnets are usually coated Nickel-Copper-Nickel plating to prevent the iron from rusting.

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