neodymium magnet block 1)Material:sintered NdFeB magnet 2)Garde:N35-N38-N40-N42-N45-N48-N50-N52 ... -Iron-Boron (NdFeB)2)Garde:N35-N52,N35M-N48M,N35H-N45H,N33SH-N42SH,N30UH-N40UH,N30EH-N35EH.3)Shape:Disc,block,cylinder,ring ... -Iron-Boron (NdFeB)2)Garde:N35-N52,N35M-N48M,N35H-N45H,N33SH-N42SH,N30UH-N40UH,N30EH-N35EH.3)Shape:Disc,block,cylinder,ring ...