Spark Plug Tester Dual Holes Engine Ignition Coil Tester 500-6000rpm Working Frequency, Car Spark Plug Tester Tool with Protective Cover, Automotive Spark Plug Tester for 12V Gasoline Vehicles
- ...park tester has a special protective cover design. Cover the protective cover before use to ensure the safety of the operator during the test and visually observe the test results..
- 【NOTE】This spark plug tester tool is specially designed for testing spark plugs of automobile engines. Not suitable for testing the short plugs of lawn mowers, chainsaws or most small engines..