Kelas: N35-N52(M,H,SH,UH,EH,AH)
Wangun: Disc, Blok jsb.
Tipe napel: 9448A, 200MP, 468MP, VHB, 300LSE jsb
Lapisan: NiCuNi, Zn, AU, AG, Epoxy jsb.
3M napel magnet dipaké beuki loba dina kahirupan urang sapopoé.Éta diwangun ku magnet neodymium sareng pita napel 3M kualitas luhur.