Rare Earth Magnet Disc Shape 1.Optional materials:SmCo,NdFeB,Ferrite,crystal,ceramic 2.Disc shape super thin 3.High quality ... Sintered SmCo Rare Earth Magnet Disc ShapeFeatures 1, The ... Optional materials include SmCo, NdFeB, Ferrite, artificial jewelry, crystal, ceramic and other super hard materials. 4, The thickness ranges from ...