Spark Plug Tester with Dual Test Holes Women Coats 4 technology for stable connectivity

4 technology for stable connectivity and clear audio

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Charging Method: Type-C charging

Package Includes: 1 * Spark plug tester

10MM SHANK SIZE – The 10mm shank ensures compatibility with most hand drills

Spark Plug Tester with Dual Test Holes Women Coats 4 technology for stable connectivityFEATURES DUAL HOLE SIMULTANEOUS TESTING: Allows simultaneous testing of two spark plugs, enabling quick comparison and diagnosis of ignition issues in multiple cylinders. ADJUSTABLE WORKING FREQUENCY: The adjustable frequency range (up to 6000 RPM) accommodates different engine types and conditions, ensuring accurate testing across various vehicles. PROTECTIVE COVER DESIGN: Features a robust protective cover that shields users from potential sparks