... .Especially used in the line of motors, generator industry. NdFeB magnet is made from Neodymium, Iron, Boron and some other transitive ... to make it strong.1. General features of the NdFeB magnet:NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, N50, N52 ... special platings and coatingsShape: arc, tile, square, cylinder and magnetic ring with various sizesHigh magnetic performance (Br: 11,000 to 14 ...