FIRST4MAGNETS Digital Pole Identifier Instantly Indicates North & South Poles for Science, Education, Experiments, Students, and Teachers Pack of 1
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Description
Amazon
EASY TO USE. Simply place the end of the pen on the pole of the magnet that you wish to identify and press the button. One of the lights on the side of the pen will instantly light up. LIGHWEIGHT POCKET-SIZE DESIGN. This pole identifier is lightweight and fits neatly in your pocket, an invaluable tool for anyone building magnetic assemblies. SEPARATE LIGHTS FOR INDICATION. The red light indicates a north pole, and the green light indicates a south pole. BATTERIES INCLUDED. Batteries supplied.
Description
(1)
EASY TO USE. Simply place the end of the pen on the pole of the magnet that you wish to identify and press the button. One of the lights on the side of the pen will instantly light up. LIGHWEIGHT POCKET-SIZE DESIGN. This pole identifier is lightweight and fits neatly in your pocket, an invaluable tool for anyone building magnetic assemblies. SEPARATE LIGHTS FOR INDICATION. The red light indicates a north pole, and the green light indicates a south pole. BATTERIES INCLUDED. Batteries supplied.
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