neodymium magnet block 1)Material:sintered NdFeB magnet 2)Garde:N35-N38-N40- ... -N45H,N33SH-N42SH,N30UH-N40UH,N30EH-N35EH.3)Shape:Disc,block,cylinder,ring,bar,sphere,tile etc.size according to customer ... ’s request.5)Coating:Ni,NiCuNi,Zn,Black Expoxy,Black Nickel, ...