Our popular Spark Plug Cleaner & Tester now works with both 120V and 220V sources, and has advanced circuitry to prevent thermal overload during heavy use. The spark plug cleaner & tester smart, functional styling combined with rugged construction makes it the perfect choice for anyone who needs to reliably and accurately check the quality of used spark plugs. The cleaner section uses a powerful blast of air and abrasive to thoroughly remove carbon deposits from plugs. The recessed observation mirror is perfectly angled to display the electrodes of the spark plug so that you can clearly judge the quality of the spark as the plug is being tested. It is manufactured to the rigorous ISO 9002 standard and carries a full one-year warranty. 26 lbs (12Kg) shipping weight.