Large, easy-to-read 2 ½" 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 Helps identify and diagnose low fuel pressure, a faulty fuel pressure regulator, leaking injector(s), fuel leaks and/or clogged fuel filters