The crocodile clamp is firmly fixed on the ground.
Fast and convenient adjustment of spark gap for screw assembly
Avoid fire, burnout of ignition coil, etc.
Cable length: 52cm/20.47"
Purpose:Determining coil quality according to spark color and flash distance
Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.
Included:1 X Car Spark Plug Tester
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