Snap-on's Core Fuel Injection Pressure Gauge Set (EEFI500CORE) comes complete with a convenient label showing the image of components, part numbers and applications; detailed user manual; a tee manifold with shut-off valve; and a 3-1/2" diameter gauge assembly with a blow down valve. Also included is a gauge and hose assembly with bleed-off valve, standard and small Schrader hose assembly, standard and small Schrader right angle adaptor, T EE adaptor with 1/4', 5/16" and 3/8" diameter hoses, and clamps and replacement hoses and clamps.