Advantage of the neodymium nagnets: strong magnetic attraction on small volume. Ringform: diescreetly, elegant and very flat. Practical: markings small texts, Ø outer 1,2 cm, inner 0,9 cm. Pure, elegant and modern:  for design oriented users, in prestigious areas,.agencies, museums. . Aesthetic in shape and surface, looks elegant on boards or ferrostrips. Attractive blister card. Please observe the security advice for neodymium magnet on www.maul.de