UPSIDEUP.store :: SteelMagnet, The heavyweights with the ability to hold up to 7 kg! The super strong magnet is designed with a modern brushed steel finish that will enhance the look of any whiteboard. Alt + 010 Diameter: Ø 23 mm – holding strength: 7 kg Alt + 010 Please lift and reattach magnets to avoid scratches – do not slide on board!