Tool Aid SG 36200 Fuel Injector Tester Kit 4 piece adapter set: 8mm-1.00, 10mm-1.0, 12mm-1.25, and 12mm-1.50 to test Assorted hoses, hose barb fittings and hose clamps to test older vehicles 2-1/2" diameter gauge with dual scale - measures 100 PSI and 7 BAR, with a hook hang up Bleed-off valve and hose to safely de-pressurize system after completion of test Packed with complete instructions in a durable vinyl pouch for store display and tool box storage