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One inch dia. and very thin, only 3/32"
(2mm) thick. Very powerful 12,300 gauss but
small in size and weight. It is the strongest permanent life time magnet
made today. Made of iron, boron and the rare earth
element neodymium. Outside of this magnet has a metallic rust resistant covering. It comes with a small button magnet
making it easy to attach to DM Face Mask, shirt, tie, hat or
whatever. Note: Neodymium magnets are very strong but
have a short field penetration. May be stacked for greater field
penetration. Made in the USA.
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