and the swivel bar magnet is for round or uneven shapes

This size is ideal as a magnet for magnetic glass boards

A screw that is too long can be shortened fairly easily with a small saw or chisel

svarende til et stående A4 mål

as they are elongated and very strong

Undersænket powermagnet 40x20x4 mm. Auto-translated (EN) and the swivel bar magnetRectangular countersunk magnet Size: 4 x 2 cm. Height: 0. 4 cm. Screw hole: 4. 5 mm. Strength: approx. 12 kg. Magnet with 2 countersunk holes. The magnets must be handled carefully, as they are elongated and very strong. Careless use can therefore cause them to break. the easiest way to remove them from a surface is to push them over an edge, so you can grab the whole magnet instead of just a corner. If you are careless, they can break, as they are