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6 neodymium magnets 1/2 x 1/4 x 1 diametric tube N48
6 Neodymium Magnets 1/2" OD x 1/4" ID x 1" Thick DIAMETRIC Tubes N48 Rare Earth
Nickel (Ni) Plated (silver-like shine)Grade: N48 - Extremely powerful magnetic material These rings are DIAMETRICALLY magnetized,
so the strong North/South poles are on the curved edges instead of their normal location on the flat sides.
That makes them easier to connect side by side than to stack into a cylinder.
This makes for some unexpected and interesting behavior. Lots of fun!