Ergo-Magnet, Ø 34 mm, pack of 50, dark blue. The new Ergo-Magnets with ergonomic grip edges provide perfect comfort in handling and can be easily removed from the board surface. The specially coated magnetic underside prevents scratching of the surface. With a full ferrite core, the Ergo-Magnets have an exceptionally high holding power. A high-quality adhesive ensures a strong bond with the colored plastic caps. The top-notch craftsmanship makes the new Ergo-Magnets practically unlimited in their usability.