12MM Engine Spark Plug Gap Tool Gapper Gapping Sparkplug Caliper Gauge M12x1.25

SKU: SPT-M12_1-25_BK
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Universal. Fit all 12mm spark plug
This spark plug gap tool help you easy to get the perfect gap
Made of Billet Aluminum 6061
Comes with the screw drivers
CNC machined
Easy to use
1.Screw your spark plug [NOT comes with this order] into the bottom of this gap tool
2.Using your desired size feeler gauge [NOT comes with this order] for
gap thickness
3.Turn the know with the feeler gauge [NOT comes with this order]  in the place till the side electrode compresses to the desired gap thickness