the magnet can easily break

it can be bent again

so they works best on whiteboards or metal boards

No need for electricity at all

Transparent magnetic window display with a black magnetic frame in size A4

Undersænket powermagnet, Ring 50x4 mm. Auto-translated (SE) the magnet can easily breakRing magnets are excellent alternatives for varying project ideas. This type of ring magnet features a conical hole to be used with countersunk screws to get a plane (flush) surface. We sell these ring magnets individually, so you do not have to buy a full package or set with us. Simply purchase the quantity you need for your magnet project. Diameter: 5 cm. Height: 0. 4 cm. Screw hole: 4. 5 mm. (M3) Strength: approx. 14 kg. Pro Tip: Never overtighten