Adjustable Spark Plug Tester High Energy Ignition Spark Plug Tester
NEW Spark Plug Tester Ignition System Coil Engine In Line Autos Adjustable Ignition Coil Tester Ignition Spark Test Tool 
Specification:
According to spark color and flash over distance to determine the quality of the coil
Can intuitively convenient to understand the operation of the ignition coil
Alligator clip securely fastens to ground
Screw assembly adjusts spark gap quickly and easily
Avoid fire, the ignition coil burned out and so on
Length: 11.5cm
Diameter: 2.2cm
Cable length: 52cm
Color: Black
Adjustable Spark Plug Tester High Energy Ignition Spark Plug TesterAdjustable Spark Plug Tester High Energy Ignition Spark Plug Tester