Kan også sættes på træblokke (se fotos) ved at bore et 30 mm

The magnet weighs only a few grams in itself

Here you get the same magnet but with a plastic cap

You really have to know what you are doing before throwing yourself into handling a magnet of this size and strength

white border around the tree trunks and the roots sign

Power magnet, Ring 20x4x5 mm. 3M Kan også sættes på træblokkeRing magnet made of neodymium Permanent magnets Diameter: 2 cm. Height: 0. 5 cm. Hole size: 0. 42 cm. Strength: approx. 7. 3 kg. Strong neodymium supermagnet with a hole in the middle. The magnetism sits on the large surfaces. SPECIFICATIONS: Strength: approx. 7,300 g. Material: NdFeB Magnetism: N45 Max. temperature: 80C Surface: nickel plated (Ni Cu Ni) NOTE! The magnet is NOT countersunk.