Universal Spark Plug Gap Tool for Most 10mm 12mm 14mm 16mm Spark Plugs Aluminium Alloy Car Refitting Repairing Tool

Features:
The tool puts pressure on the entire electorde and not just the tip which createds a more uniform gap.
Just put the spark plug perfectly on the gap tool to work accurately.
Suitable for 10mm, 12mm, 14mm and 16mm spark plugs. Measure the gap thickness with a feeler gauge of the required size.
Some spark plug electrodes rebound - this is normal for some spark plugs. If your gap target is 0.44mm, we recommend using 0.42mm in this way. When it rebounds, you will get 0.44mm.