We have the strongest Neodymium magnets available for sale N35,N40,N42,N45, N50 & N52 which are the most popular Strong Rare Earth Magnets these days. Retail, Wholesale & Bulk Magnets for sale. Your complete magnet supplier The alloy of three elements NdFeB (Neodymium, Iron, and Boron) joined together creates these strong Neodymium Magnets. People use the term “Rare Earth Magnet” and “neodymium magnet” synonymous because neodymium magnets are the most popular and well-known of the rare earth group for sale today. Other common names for strong neodymium magnets include Neo Magnets, or Earth Magnets.