It is an electric galvanization of the screws which extends their durability and makes them more resistant to rust

Pakke med 4 hvide magneter med sorte virksomheds-ikoner

afstand og lad det virke i et par sekunder

But keep in mind

Power magnet, Skive 20x8 mm. ludo maxi It is an electric galvanizationDisc magnet of neodym with nickel coating. See the specifications below. Very powerful magnet has to be handled with caution. Diameter: 2 cm. Height: 0. 8 cm. Strength: approx. 9 kg. Two magnets are easiest seperated by sliding them in opposite directions. They are easiest removed from a magnetic surface (e. g. a steel panel or a whiteboard) by pushing them over the edge. SPECIFICATIONS: Strength: approx. 9,000 g. Material: NdFeB Magnetisation: N42