This in-line ignition spark checker from Harbor Freight is a must-have for any car owner or mechanic. Easily detect if your vehicle's ignition system is working properly with this diagnostic tool. It is brand new and ready to be used for any passenger vehicle. The unit type is an in-line ignition spark checker and it comes from Harbor Freight. Its manufacturer part number is 04424 and it is made in China. This tool is perfect for those who want to check the status of their vehicle's ignition system. Don't miss out on this essential tool for any car owner or mechanic.