This starter set contains adapters necessary to check most domestic (except GM TBI) and Japanese systems. Contains both large and small Schrader type test settings, inline and end of line hose fittings,3-1/2'' (90mm)gauge head with dual readings of 5-145 PSI /25-1,000kPa , features quick disconnect and hang hook . Set includes complete instructions , all packed in blow mold case . Fuel Bolt Set and 24" Hose Extension.