Ring magnet, 12 mm, pack of 100, adhesive force 0.5 kg. Supplied = assembled. Diameter = 12x1.5 mm. Colour = light silver. Adhesive force = 0.5 kg. Shape = ring. Product type = round magnets. Mark small text passages, outside 12 mm, inside 9 mm. Unobtrusive, elegant and very flat. High adhesive force at a low volume.