The white magnetic foil is 30 mm (3 cm/1

Can be hung with screws

yet it is impressive how strong it is

you can also make the small iron pieces "dance" on the paper

They are made of a flexible magnetic foil on the back

Undersænket powermagnet 40x40x4 mm. hyldeforkant The white magnetic foil isSquare neodymium magnet with 2 countersunk screw holes. Size: 4x4 cm. Height: 0,4 cm. Screw holes: 4. 5 mm. (x2) Length between screw holes: 20 mm. Strength: approx. 16 kg. You can fasten this magnet with 2 countersunk screws or bolts (not included) onto a piece of wood or surface that is not magnetic. Once secured, the countersunk square magnet plate will provide you with a strong magnetic surface. These magnets are fragile because they are not