... Yes or No High and stable Performance N48 HR Brand Permanent Cylinder High Performance Ndfeb magnet is made from Neodymium, Iron, Boron ... it strong.1. General features of the NdFeB magnet:NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, N50, N52 (M, H, SH, EH, UH) ... in this motor magnet or any others, please contact me at any time. N48 HR Brand Permanent Cylinder High Performance Ndfeb magnet