The magnets have a 3D effect

it can also be used to keep your metal parts in one place

Tobias Mikkelsen is the designer behind the pictograms

neodymium magnet

so it is a little easier to get papers into it than

Forsænket pottemagnet, Ø32 mm. - Neodymium engros The magnets have a 3DPot magnet 32 mm. with counterbore hole for screws with a normal round screw head (you cannot use countersunk screws with this magnet type). Diameter: 3. 2 cm. Height: 0. 8 cm. Screw hole: 5. 5 mm. (M5) Total hole size: 9 mm. Strength: approx. 23 kg. This pot magnet is very strong but differs from our other pot magnets of the "submerged" type, as this magnet is made for flat screw head. It is often used to pop rivet firmly with blind rivets on e. g.