Spark Plug, 12mm Universal Car Engine Spark Plug Tool, Car Spark Plug Tool for Spark Plug Caliper

General description The Spark Plug Tool is a universal 12mm tool designed for all kinds of 12mm spark plugs. It helps achieve the ideal spark plug setup with ease, thanks to its compact and lightweight design, making it easy to carry and store. Technical specifications Size: 12mm Material: High-quality aluminum alloy Processing: CNC machined Surface: Dense oxide film for corrosion resistance Usage Screw the spark plug into the bottom of the tool. Measure the thickness using the required size feeler gauge. Turn the knob until the side electrode is compressed to the desired thickness.