TLILY Car Spark Plug Tester Dual Hole 0-6000rpm Working Frequency 12V Engine Ignition Coil Tool US

Dual Hole Test:Spark plug tester testing is used to test the performance and ignition strength of spark plugs. Dual hole testing function allows for quick and accurate testing of the performance of spark plugs by placing a new spark plug and a spark plug separately in the testing hole. It can truly the working conditions of the engine. The measurement process is more effective and the measurement results are more accurate. Adjustable Working Frequency:Spark Plug Tester working frequency of car is 0-6000 rpm. You can adjust it according by rotating the switch, which is very convenient. The higher the frequency, the stronger the spark intensity. High Quality and Applicability:Car spark plug tester is made of high-quality thermoplastic polymer structural material (ABS), good heat resistance and impact resistance, and can extend its service life. It can be used to test 12V gasoline vehicles with a diameter of 12mm and is compatible with 99% of crankshaft engines and motorcycle spark plugs