An jera sandar N da S na maganadisu a madadin.Ɗayan N da kuma sandar guda ɗaya ana kiran su igiya biyu, kuma injinan suna iya samun kowane nau'i na katako.Ana amfani da Magnets ciki har da aluminum nickel cobalt maganadisu na dindindin, ferrite m maganadiso da rare duniya m maganadiso (ciki har da samarium cobalt dindindin maganadiso da neodymium baƙin ƙarfe boron m maganadiso).An raba jagorancin magnetization zuwa magnetization na layi daya da radial magnetization.