1.Product name : Sintered NDFEB MAGNET 2.Material grade required :N35 N38 N40 N ... Sizes, Coatings and Shapes. Warmly welcome your inquiries!NdFeB magnet is made from Neodymium, Iron, Boron and some other ... to make it strong.1. General features of the NdFeB magnet:NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, N50 ... and etc.If you are interested in this magnet, please contact me at any time.