... N42, N45 etc. 1.Product: Sintered NdFeB / NdFeB magnet / Rare Earth Magnet2..Standard:ISO9001:20003..Grade: N50,48M ... the product:Small and special electrical machines,permanent magnet meter,electronia industry,motor vehicle industry,petroleum and ... forward to your support and co-operation!Huge block type of sintered rare earth NdFeB magnets with ... , N38, N42, N45, N40h etc. Neodymium Magnet - Huge Block