Undersænket powermagnet, Ring 27x4 mm. 3M But larger quantities must be

But larger quantities must be handed in at a recycling station

so they work best on whiteboards or metal boards

power magnet

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Undersænket powermagnet, Ring 27x4 mm. 3M But larger quantities must beRound neodymium magnet with hole for countersunk M3 screw. Diameter: 2. 7 cm. Height: 0. 4 cm. Screw hole: 4. 5 mm. (M3) Strength: approx. 8 kg. The round power magnet is very strong and has a countersunk hole, so you can get a flat surface with a countersunk screw. This means that you can easily make non magnetic things very magnetic by screwing this magnet on with a screw. Do not tighten the screw too tightly, as this magnet is not encased in a