Woopeey 12mm and 14mm Engine Spark Plug Caliper Matte Black Universal Spark Plug Gap Tool Spark Plugs Gapper Gapping Kit

Product Name: Spark Plug Gap Tool Material: aluminum alloy Specifications: 12mm, 14mm. Colour: Black Applications: Universal for all 12mm threaded spark plugs. Universal for all 14mm threaded spark plugs. Easy to use steps: Simply screw your spark plug into the bottom of our gap tool. Use your desired size feeler gauge for gap thickness. Turn the knob with the feeler gauge in place till the side electrode compresses to the desired gap thickness. One full year of warranty.