Large, easy-to-read 2 1/2" dial face with 0-100 PSI scale. Durable 16" gauge hose and 6-foot bleed-off hose with solid brass fittings. Includes Ford, GM and Chrysler test adapters and a "Tee" adapter for import vehicles. Identify and diagnose low fuel pressure, a faulty fuel pressure regulator, leaking injectors, fuel leaks and/or clogged fuel filters.