Spark Plug Gap Tool, 2Pcs , High Precise Spark Gap Adjust Wide Application – Designed for all 12mm 14mm threaded spark plugs. Package includes 1 x 12mm spark plug gap tool (blue) and 1 x 14mm spark plug gap tool (black). Not for short reach type spark plugs. Not for open up the gap, but only use to close Perfect Performance – With the spark plug gap tool and feeler gauge, you can more precisely to adjust the spark plug gap and properly replace the old or damaged spark plug to improving vehicles’ performance and efficiency ( Not fit lawn equipment spark plugs ) Simple Operation – Easy to adjust only by screw the knob rather than using hammer, the assures you a more precise gap and greatly reduce electrode damage. No more spark plug wire marks or nicks so as to optimal spark plug and engine performance Reliable Material – Spark plug gapper is made of high quality Aluminum Alloy with Matte Anodized coating, which can prevent the spark plug tool from corrosion and rust, wear resistant and durable, ensures long-term reliable use Operation Tips- Some spark plugs electrode will spring back when using spark plug gap tool to close the gap, so to use a feeler gauge in smaller than the target gap is recommended when using this spark plug tool Spark Plug Gap Tool, 2Pcs Spark Plug Gapper Compatible with 12mm 14mm Spark Plugs – Black & Blue 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. Therefore, using a spark plug gap tool is vital. Spark Plug Gap Tool will be a perfect choice for gapping vehicles’ spark plugs FEATURES ★Universal spark plug gap tool fits for 12mm 14mm spark plugs. (NOT compatible with shorter reach spark plugs.) ★Not recommend to apply to a lawn equipment ★Solid construction with unique design allows the spark plug gapper a high precise performance ★Made of high-quality aluminum alloy, this spark plug gap tool is durable enough for long term use ★Provide you with the perfect gap to solve the problem that the vehicle failed to start for unproper spark plug gap distance ★Easy to operate. Just screw the spark plug onto the gap tool, then measure the gap thickness with a feeler gauge with desired size ★Spark plug gap tool is not for open up the gap, but only use to close. PRODUCT DETAILS Color: Black & Blue Material: Aluminum Alloy Gapper Fitment: 12mm/14mm Spark Plugs Package Size: x x in/ x x HOW TO USE spark plug into the gapping tool, tighten the knob against spark plug tip. 2. Use your desired size feeler gauge for gap thickness measuring. 3. Tighten again the knob till the side electrode compresses to the desired gap thickness. 4. Unscrew the knob to loosen the spark plug and finish the spark plug gapping adjustment. Important Note: For more precise gapping, please use a feeler gauge in smaller than the target gap for more higher precise. PACKING INCLUDE 1 x Mini Spark Plug Gap Tool (Black) 1 x Mini Spark Plug Gap Tool (Blue)