I noticed straight away that these magnets are the wrong size. I already had a REAL 60mm and even used it in some of my inventions. As the size is smaller than advertised I want to give the lowest rating because I don't know anything about you but I'm so damn tired of being fooled by the ads. Large print is always canceled out by small print and especially with Chinese sellers on Revain they often use the tricky tactic of reading two different sizes or qualities etc. If you scroll down to read the product information, the truth comes out as it is almost always posted twice. That said, I prefer them this size and they do exactly what they say they do. Obviously double-sided tape isn't even strong enough to be used as flypaper, but that's because there's no glue other than the JB weld that will hold the neodymium magnet to a non-metallic surface. It just doesn't exist. My advice: if you are using this material to hang things like pots, tools, etc. try hanging them on a metal surface, in any case they will break completely unless you protect them in some way. In my first invention, I welded magnets to a plastic surface THEN glued a thin skin to keep them from falling apart. The loss of magnetism through the skin is virtually undetected using sophisticated equipment.
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