Adjustable Spark Plug Tester, Inline Engine Ignition Spark Plug Detector

Tests for lack of ignition. Practical for intuitively understanding the operation of the ignition coil. Easy to read - high-visibility white markings make it easy to read the measurement gap. Depending on the spark color and flash distance, you can determine the coil's quality. Screw-mounted for quick and easy adjustment of the spark gap. Prevents the ignition coil from catching fire and burning. Prevents the ignition coil from catching fire and burning. Alligator clips that connect safely to ground. Screw-mounted for quick and easy adjustment of the spark gap. Practical for intuitively understanding the operation of the ignition coil. Find dirty ignition plugs, faulty points, bad cables or connections, etc. Material: Metal Diameter: 22mm. Length: 115mm. Please allow 1-2cm difference due to manual measurement, thank you. There might be some slight differences in color tone between the images and the actual item. Package includes: 1x Spark Plug Tester