DuBro Fill It Fueling System (DUB840)

This is a Fill It Fueling System from Dubro.FEATURES  One fueling system that can be used with four different tubing sizes: 1/16", 3/32", 1/8" and 5/32" ID Fill It Plug has handy knob for easy removal of fuel line to fill or drain fuel tank. Ideal for cowled engines. Lightweight, no leaks. Can be used with gasoline or glow fuel.INCLUDES Housing Four Fill It Fuel Line Plugs Clunk Fuel Tube for third line pick-upREQUIREMENTS CA Glue or Epoxy Fuel TubingSPECIFICATIONS  Fuselage Mount: Inner Diameter: 5/8" (16mm) Outer Diameter: 7/16" (11mm)