(wanda kuma ake kira Cup maganadiso, Dutsen maganadiso) sun ƙunshi maganadiso a lullube a cikin wani karfe kofin, na ciki magnet iya zama neodymium, smco, alnico ko ferrite, za ka iya zabar mafi dace abu bisa ga inda za a yi amfani da.Magnetic ƙarfi na tukunyar maganadisu yana da ƙarfi sosai, don haka ana amfani da su ko'ina don ayyuka masu nauyi, yana da aminci sosai saboda magnetic na dindindin, cikakken jerin tare da hanyoyin daidaitawa da girma dabam suna samuwa, zaku iya samun hanya cikin sauƙi. don gyara su, saboda waɗannan abubuwan jin daɗi, yana faɗaɗa aikace-aikacen maganadisu na tukunyar duka a cikin kasuwanci da masana'antu, kamar ɗakin aiki na masana'antu, ofis, kantina da gida.