- Aesthetically designed neodymium cylinder magnet, sleek shape and smooth steel surface, silver-colored, adapts discreetly to the environment. *Compact and slim design but with concentrated adhesive power. *In terms of adhesive strength, this type is suitable for both glass board and whiteboard. *Environmentally friendly cardboard box, recyclable, with Eurolog. *Ø25x35mm. *NB! Safety notes regarding Neodymium magnets can be found at www.maul.de.