Lot 10 50 100 Round Disc Block Magnets Rare Earth Neodymium N52 N50 N35
Material: Neodymium Magnet. N35/N50/N52 grade Magnets are made of a brittle material. These magnets are not as strong as steel. They are more like a brittle ceramic. If you let two magnets slam together, they can crack and break.