General description Test your ignition system with the Adjustable Spark Plug Tester. This tool is designed to help you diagnose ignition issues effectively, allowing you to understand the operation of the ignition coil intuitively. It features a high-visibility white inscription for easy reading of the measurement gap, enabling you to assess the quality of the coil based on the color of the spark and the distance of the flash. Technical specifications Adjustable spark gap for precise testing High-visibility white inscription for easy readability Installation Mounting with screws for quick and easy adjustment of the spark gap Usage Tests for ignition state issues Helps determine the quality of the ignition coil based on spark color and distance Prevents ignition coil from overheating and burning out