Spark Plug Reading Tool
This is the best scope available for reading spark plugs. Check your spark plugs with this tool. Illumination and magnification allows the fuel ring at the base of the porcelain to be viewed clearly. Soft zippered storage case keeps the tool protected when not in use. Check your spark plugs with this handy tool. Illumination and magnification allows the spark plug base circle to be viewed clearly. Soft zippered storage case keeps the tool protected when not in use.