For Fuel Test Injection Injector Pressure Tester Testing Line Injecter Tool Kit Set This set is a must have for the professional technician! The uniquely designed 3-1/2" gauge has a special expanded 1lb. increment dual dial for accurate reading, with a 140 PSI /10 bar scale. It also has a relief valve and 6 ft. of tubing to relieve the pressure and fuel safely. Also allows checking for sufficient fuel flow. Gauge has hook, allowing technician to have both hands free The included adapters, hoses and fittings cover all fuel injection systems and most cars and trucks world wide! A time saving quick coupler connection at the end of he gauge hose makes a speedy and efficient couple possible with most adapters. Set comes in a specially designed molded case to make storage easy and organized. Color of case is Red not yellow anymore