3-Hole Spark Plug Tester, Automotive Engine Ignition Coil Tester with LCD Display, Adjustable 200-9000RPM, Adjustable Socket Spark Plug Gap Tool for 12V Gasoline Vehicles

3-Hole Spark Plug Tester, Automotive Engine Ignition Coil Tester with LCD Display, Adjustable 200-9000RPM, Adjustable Socket Spark Plug Gap Tool for 12V Gasoline Vehicles

• Important: Please close the see-through protective cover before starting your test to guard you from accidental sparks
• Triple Test Holes: Upgraded with three holes, you can test side-by-side to compare their performance with this spark plug tester, great for mechanics and car enthusiasts
• Real-World Engine Working: Spark plug tester features a backlit LCD display showing the simulated engine running 200-9000RPM to mimic the practical running condition and achieve higher accuracy, while enabling you to observe the result via the transparent protective cover
• Adjustable Socket: Spark plug gap tool features adjustable sockets simply by rotating to fit spark plugs of different sizes or heights, suitable for most 12V gasoline engines, ideal for professionals and hobbyists
• Sturdy: Spark plug tester coil tester tool made of premium ABS material, flame-retardant and anti-impact, ensuring a long service life