Electronic Pole Identifier
Identifies Magnet Poles
LEDs light to indicate polarity
This ingenious tool identifies the poles of a magnet quickly, easily, and accurately. Simply point the tip of the electronic pole identifier at a magnet, push the buttton, and an LED will light, indicating the polarity. This new design allows the user to quickly and easily change the battery, compared to our old version.
Powered by one AAA battery (not included).