Super strong Disc Ndfeb Magnet Grade: N35-N52, 35M-50M, 33H-50H, 30SH- ... magnetMaterial:Permanent MagnetSintered Neodymium-Iron-BoronNeodymium magnet, NdFeB magnet, permanent magnet, Rare earth magnetFeatures:NdFeB magnet is an alloy magnet made from ... on Sintered NdFeB magnet and develop it under experienced engineer and passionate&studious sales team.Shape:Ring, Disk, Block, segment, ball,cylinder ...