... to it have good remanence, coercivity and high performance, sintered NdFeB magnet have best magnetic, can support about 640 times of its ... electronics, electrical, mechanical, medical equipment and others. 1)Material:sintered NdFeB magnet 2)Garde:N35-N38-N40-N42-N45-N48-N50-N52 ... -N42SH,N30UH-N40UH,N30EH-N35EH.2)axially,diametrically,multi-pole magnet disc.3)Ni,NiCuNi,Zn,Black Expoxy,Black Nickel,Ag ...