This auction is for 1 Double Sided AC Spark Plug Display Rack Spark Plug Chart. The Chart is 6x18” and is made to slide in the brackets at the bottom of you Spark plug rack. The Chart has domestic cars on one side and commercial trucks on the other side, chart is dated 1959. So if you have cars or trucks you are covered. The original charts were paper and fall apart over time, this is digitally printed on a treated coated paper and will not degrade over time. Beautiful colors and will complete your AC Spark Plug rack. Spark Plug Rack NOT Included.