Description:Function: Spark Plug Tester used to test whether the ignition system of the car is working normallyMaterial: high quality plastic with high hardness; built in card core, easy to use

High voltage resistant line: Made of pure copper wire inside, it can withstand the test of high voltage Spark plug type metal head: easy to connect, wear resistant and durable

High brightness light bulb: high brightness light bulb, long term use without heat, long service life

Specification:Material: stainless steelProduct Size: Total Length 275mmPackage Includes:1 Ignition Spark Plug TesterNote:Please allow slightly errors due to manual measurement and different monitors