GEAROLL Spark Plug Gap Tool with 32 Blade Steel Feeler Gauge, Spark Plug Gapping Tool for Most 10mm 12mm 14mm 16mm Thread Spark Plugs, Red

Additional Details from the Manufacturer

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More features

• Universal Fit: Spark plug gapping tool is fit for most of 14mm 12mm 10mm 16mm standard spark plugs and non-preset gap spark plugs; NOT compatible with 18mm thread and long reach or short reach plugs spark plugs.
• Easy to Use: Spark plug gap tool helps you to adjust the gap with less time and effort; Firstly use your desired size feeler gauge for gap thickness; secondly put the spark plug into the tool, then slowly turn the knob to reach the desired gap thickness; thirdly rotate the knob slightly backward to disengage the spark plug from the tool, then use the feeler gauge again; If the desired gap thickness is not reached, repeat the above steps.
• Adjustment Tips: Rotate the knob slightly backward, then use the feeler gauge; In this way, the measurement of the gap thickness will not be affected by the rebound of the side electrode; Do not rotate the screw directly, causing the plug gauge and the spark plug to come into close contact, which may result in the wear of the spark plug coating and affect power and fuel consumption.
• Feeler Gauge: Feeler gauge with measurement range from 0.001inch to 0.040inch (0.03mm to 1.0mm) is made of high quality flexible 65 manganese steel, hardened and polished for long time and accurate usage.
• Kit Includes: The spark plug gapper comes with 1x Spark Plug Gap Tool, 1x Feeler Gauge and 1x Gloves, ready to use.