CMS Magnetics® N42 Neodymium Magnet Dia 3/8 x 1/2" Disc NdFeB Magnet 10-Counts
Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These magnets are 3/8 inch (0.375) x 1/2 inch (0.5) disc. They are composed of grade 42 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 16.6 lbs.