Sy-i magneter 18x3 mm. firkant, 2-pak fotomagnet you can use a longer

you can use a longer screw with a head size of approx

which you can cut into the lengths you need

Also on curved surfaces such as radiators

as the small magnets inside have alternating north and south poles

med indvendigt gevind (M4)

Sy-i magneter 18x3 mm. firkant, 2-pak fotomagnet you can use a longerStrong magnets for sewing in clothes, sheets, bags etc. The magnet is round (18x3 mm), but the PVC pocket is square (35x35 mm). Makes it easy to sew in a square pattern around the magnet. Made of neodymium with a thin and flexible plastic coating (shrink wrapped). Easy to sew in fabric make your jacket, shirt, drapes or other things magnetic for easier everyday use. Each side of the plastic pockets are marked with + or to mark the poles pointing out.