... Magnets,such as Square,Disc and Ring Holding Magnets,Hard Ferrite(Ceramic),Alnico,NdFeB and SmCo assemblies are specified for ... are made by setting ferrite,Alnico,NdFeB and SmCo magnet in steel parts(and/or some non-ferrite magnetic insulate materials ... ,such as Brass and Aluminum),and are available in many different forms and shapes,which are finished in white, ...