This type of magnet is classified as a strong neodymium pot magnet with a white rubber coating and M4 internal threads

No need for electricity at all

Now you can order magnets with images printed on them in exactly the number you need

thin magnets break more easily

Undersænket metalplade 60x20x3 mm. julepynt This type of magnet isRectangular metal plate with 2 countersunk holes for hanging with screws. Not a magnet! The metal plate is used as a counterpart to magnets. Good size for kitchen cupboards and wardrobes that do not close properly the metal plate is screwed onto the cupboard module (so that it is level with the cupboard), and then a magnet is glued to the door (possibly in a wedge in the door, so that the door closes completely). Metal sheets are not magnets