These neodymium magnets are 3/8 inch in diameter and 1/16 inch thick. They are composed of grade 45 NdFeB rare earth magnetic material and are plated in nickel-copper-nickel for a shiny, corrosion-resistant finish. They are axially magnetized so the N and S poles are on the flat surfaces Neodymium magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. CMS makes top notch neodymium magnets with the state of the art technology- ISO 9001 quality systems. CMS neodymium magnets are superior to those of other brands; our magnets have higher strength, better coating, tighter tolerance and better longevity. These magnets have a variety of applications. They can be used for securing objects to surfaces. They can also be used in arts and crafts as well as science projects. Notes: 1. All magnets may chip or shatter. But these magnets can serve you for a lifetime if used properly.
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