... )Aluminum body with teflon gasket 3)with sight glass Automotive Manifold Gauges Kit SKHL Suited for R134A/R404/R407Aluminum body with teflon ... gasket, with sight glass, two shake proof compound gauges, a hook, and two handwheels ,with A/C quick couplers1 ... ) HL002-360-R134A KIT: :3pcs-60Hose, 1set QC 15Excellent and high quality control.Packed in hand carry plastic case.