The Klein Tools Continuity Tester is a straightforward, dependable tool for quickly diagnosing shorts and broken circuits in electrical devices, controls, and wiring — all with the power safely off. The 3-3/4 in. (95 mm) pointed probe navigates tight connection points while the 36 in. (914 mm) alligator clip lead provides reach across panels and junction boxes, and the handle illuminates the moment a complete circuit is confirmed. Compact and battery-powered, it’s a practical first-check instrument for electricians and service technicians working through troubleshooting on residential and commercial job sites.

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