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Brass Balls 7/8" Diameter

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Product Description

These solid brass balls are 7/8" in diameter with a 1/4-20 threaded hole. They can be used as safety gaps to protect expensive components in Tesla coils and other high-voltage devices. Brass is not the best electrode to repetitively discharge reasonably high energy, like that of a Tesla coil spark gap (for such applications we generally use pure tungsten rods), but for over voltage safety gaps and transients for protection circuits, brass works fine.

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