R22 R134a R404a R12 Manifold Gauge Set+5ft Hoses+Car AC Quick Snap-on Couplers Adapters Can Tap Charging Diagnosis Recovery HVAC Home Office AC Car AC Manifold Gauge with Forged Alluminum Alloy Body with 5 ft 1/4 hose set for R22 R134a R404a and R12 COme with car systemport couplers adapters and R134a can tapper for those Do-it-yourself folks. Work on Home Office AC and car AC systems alike charging diagnosis recovery strong and lasting high quality tool set packed fort he job at a low price come with SS hook, hose set, car R134a port adapters and can tapper