Metal-workers use the combination of magnet and key-ring to test whether a substance is magnetic or not. On a less scientific note, you'll find that this product will give your magnetic board another useful function – to hang things from! 10 mm dia, height 1.5 cm, magnetic strength 24 newtons.
From the single ferrite magnet to this neodymium miracle of strength: ordinary magnets are fine for attaching blueprints, memoranda or recipes to metal doors, fridges or our special magnetic boards. But – what about heavier weights? This is where you need neodymium magnets.
These magnets are extremely powerful and must absolutely not come within range of a pacemaker! The same applies to magnetic data banks, mechanical clocks or compasses. Make sure they don't collide, especially from a distance – they might splinter.
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