20 metal discs (not magnets!), ferro-magnetic, nickel-plated, 35 x 2Β mm
20 iron metal discs. The metal discs are not magnetic, but a magnet adheres very well to these metal discs. The discs are nickel-plated so they won’t rust. Suitable for experiments with magnets. Each disc has a diameter of 35Β mm and is 2Β mm thick (+/- 0.1Β mm) and weighs about 15Β g. When you purchase a set you will receive 20 metal discs in a plastic pouch.
|Quantity per set||20Β pieces|