Adjustable Spark Plug Tester for Ignition Coil Diagnostics

1 Ignition spark tester with spark gaps, it can show whether there is ignition voltage and its intensity. 2 Unlike spark plugs, you can test the spark plug in this tool, and you can check the power reserve. 3 You can adjust the spark gaps by turning the adjustable screw, simple to operate. 4 A good integrated ignition system should maintain a distance of at least 15mm/0.6in. 5 Determine the quality of the coil based on the color of the spark and the sparks in the distance. 6 Intuitive and simple ignition coil operation, the clip is firmly fixed on the ground. 7 The screw mounting seat can quickly and easily adjust the spark gaps, avoid fire and ignition coil wear.

What's in the box
1 x Spark Plug Tester