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    5 Products

    Electronic Polarity Testers

    Image of Product. Front orientation. Polarity Testers. Electronic Polarity Testers.
    Point this detector at your magnet and press the button. Red and green lights indicate north or south poles.
    Lg.
    Wd.
    Batteries
    Included
    Each
    5 1/2"1"Yes57255K71000000

    Paper Magnetic Polarity Testers

    Image of ProductInUse. Front orientation. Polarity Testers. Paper Magnetic Polarity Testers.
    Press onto your magnet and pole locations show up as dark green. Each sheet can be used multiple times.
    Lg.
    Wd.
    Thk.
    Pkg.
    Qty.
    Pkg.
    3"3"0.005"35702K21000000
    6"6"0.005"25702K2400000
    12"12"0.005"15702K22000000
    36"18"0.005"15702K23000000
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