Toolwiz Spark Plug Gap Tool with 32 Blade and 50 similar items

Spark plugs require a precise gap to ensure proper ignition of the air/fuel mixture, and gapping them requires appropriate tools for your vehicle's specific plugs. Universal Fitment Toolwiz spark plug gap tool is compatible with most of 14mm 12mm 10mm 16mm standard spark plugs. NOT compatible with 18mm thread and long reach or short reach plugs spark plugs, please check the size of your spark plugs before purchase Effort Saving Spark plug gapper allows you to adjust the gap with less time and effort. 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 Adjustment Tips For normal physical phenomena, some spark plugs electrode will spring back when adjust the gap. You are suggested to use 0.028in feeler gauge size if your desired gap is 0.03in, smaller scale than the target gap is recommended Feeler Gauge Dual marked stainlesssteel feeler gauge with measurement range from 0.001inch to 0.04inch 0.03mm to 1mm is made of high quality flexible 65 manganese steel, hardened and polished for long time and accurate usage Warranty Garantee Come with 1x Spark Plug Gap Tool and 1x Feeler Gauges in one package. You are backed by our performance assurance limited lifetime warranty. If there is any issues with the gap measuring tool, please feel free to send us direct message