Ferrite magnets are often used outdoors

Den stilrene magnet vil pynte på den hvide whiteboard

permanent markers cannot be erased easily

So if you need to use it in wet environments or e

Disclaimer: If there is a gap between the magnet and the magnetic surface

Whiteboard magnet i Stål, Ø25 mm. boardmarker mix Ferrite magnets are often usedExtremely powerful whiteboard or other steel board magnet for the office. Strength: approx. 7 kg. Size: 25 mm, Height 9 mm. Please note: These whiteboard steel magnets are not suitable for magnetic glass boards. Suitable for hanging up thick or very heavy items. Once the magnet adheres, it is very difficult to remove (can usually be pulled over the edge of the magnetic board). The magnet is nickel plated and has a brushed steel surface.