CMS Magnetics® N45 3/4" Cube, Package of 2 Rare Earth Neodymium Magnets
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 3/4 inch (0.75) cube. They are composed of grade 45 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 59 lbs.