Extech Instruments ET40 Heavy Duty Pen Style Continuity Tester Vintage New
$17.00

The Extech Instruments ET40 is a vintage continuity tester designed for heavy-duty use. Made in China by Extech, this pen-style tester is capable of accurately detecting continuity in various electrical circuits. The compact size and durable construction make it a reliable tool for professionals in the electrical testing and inspection industry.

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