permanent markers cannot be erased easily

Ferrite magnets are often used outdoors

We do not recommend these metal discs be used outdoors

Always remember that surfaces must be prepared before using the double-sided tape

Whiteboard magnet i Stål, Ø25 mm. boardmarker mix permanent markers cannot be erasedExtremely 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.