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poly mags
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  1. Slot Car General Discussion
    High Tech Question > the subject of Poly Mags(like used as T-Jet Field Magnets). I have a rather dumb question and think I know the answer, but... Anyway, what IS the magnetic material USED inside poly mags ? Is it the same Rare Earth(Neodymium) stuff used in Neo Mags, just held together in a...
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