But in return for having these available as assorted packages

It should be easy to buy accessories for magnets with external thread

Stærk pottemagnet med indvendigt gevind (M3)

postcards or important notes with no problem

Manufacturer: 3M™

Power magnet, Ring 8x2x6 mm. hyldeforkant But in return for havingStrong power magnets with a hole for a wire etc. Made of neodymium. Diameter: 0,8 cm. Height: 0,6 cm. Hole size: 0,2 cm. Strength: approx. 2,4 kg. Sold individually with large discount rates from 10 pcs. This magnet is great for projects where you need a strong magnet that doesn't take up so much space. E. g. for the curtain strings if you want to attach them safely to a metal piece on the window frame or door frame so they don't hang loose.