PRECISION WORK: This Spark Plug Gap Tool with Feeler Gauge will give you that perfect gap every time. Simply place your spark plug onto the gap tool perfectly.
UNIVERSAL FITMENT: Universal for 10mm 12mm 14mm 16mm Spark Plugs. Use your desired size feeler gauge for gap thickness.
NOTE: Some spark plugs electrode will spring back - This is normal for some spark plugs. If your gap target is 0.44mm we suggest using 0.42mm this way when it spring back you will get it to 0.44mm.
Installation: 1. Simply place your spark plug into the gap tool. 2. Use your desired size feeler gauge for gap thickness. 3. Turn the knob with the feeler gauge in place till the side electrode compresses to the desired gap thickness.
Material: Aluminum alloy
Color: Black, Red
Applicable models: Universal for most 10mm12mm14mm16mm spark plugs