Universal Spark Plug Gap Tool, Spark Plug Gapping Tool for Most 10mm 12mm 14mm 16mm Spark Plugs，Spark Plug Gapper Adjustment Tool (Black+Feeler Gauge)

Compatibility: Spark plug gap tool is compatible with most of 10 mm 12 mm 14 mm 16 mm standard spark plugs. But not compatible with 18 mm thread and long reach or short reach spark plugs, please double check the size of your spark plugs before ordering
Easy to Use: Simply place the spark plug onto the spark plug gapping tool and select your desired feeler gauge thickness, then screw the knob slowly till the side electrode compresses to the desired gap thickness
Tip for Adjustment: Some spark plugs electrode will spring back when adjust gap. It is recommended to use a smaller scale than the target gap, if your gap target is 0.38 mm, we suggest to use 0.36 mm, this way when it spring back you will get it to 0.38 mm
Premium Materials: Spark plug gapper is made of high quality aluminum, sturdy and durable. We take strict quality control measures, select high-quality materials to ensure our product meet your expectation
32-Blades Feeler Gauge: The feeler gauges are made of high-quality manganese steel, with measurement range from 0.0015 inches to 0.035 inches (0.04 mm to 0.88 mm). They are a 32-piece set that can provide you with perfect gap adjustment, allow you to adjust spark plug gap easily and quickly

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