EASY ELECTRONIC FUEL INJECTION TESTING: The Performance Tool W89500 6-Piece Noid Light Set makes testing electronic fuel injection systems a breeze on a variety of GM, Bosch, Ford, and Geo equipped vehicles. WIDE COMPATIBILITY: With the ability to test GM TBI, Bosch PFI, Ford TBI, GM PFI, Geo TBI, and GM SCPI systems, this Noid Light Set covers a wide range of vehicle types and models. DURABLE STORAGE CASE: The sturdy blow molded plastic storage case with an extra tray keeps your Noid Light Set organized and protected, making it easy to transport and store. QUICK AND ACCURATE TESTING: This Noid Light Set allows for quick and accurate testing of electronic fuel injection systems, giving you the information you need to make repairs quickly and efficiently. VERSATILE TOOL FOR PROFESSIONALS AND DIYERS: Whether you're a professional mechanic or a DIYer, the Performance Tool W89500 6-Piece Noid Light Set is a versatile and essential tool for testing electronic fuel injection systems.