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Use this low cost magnet
polarity checker to quickly identify the negative pole of
any magnet. Not all bio-magnetic products have the
negative side (pole) correctly marked. With this polarity
checker you can quickly determine if the products use
unipole magnets. This polarity checker uses the principle
of opposite poles
attract and same poles repel.
The polarity checker magnet is button size and has the
negative pole clearly marked. It comes with instructions
for easy use. Note: This is a raw magnet. Not for therapy use.
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