You are looking at a brand new
Adapter: 5/16X 1/4" Couplers with Manual Valves.
Needed by your AC service tools to attach to AC systems/tools with different port size: these adapters have 1/4" FFL SAE on one end 5/16" MFL SAE on the other end. Possible use: Manifold gauge or other tools with 5/16 SAE FFL fitting to do service on 1/4" AC systems for recovery/charging/diagnosis, adding oil/dye, etc.)!



FEATURES:

One end, Male 5/16" SAE MFL (the common size of R410A manifold hose connector and R410A system service ports).
Another end, Female 1/4" SAE FFL (the size of most AC system ports, service tools like manifold hose connector, oil injectors, recovery units, etc.).
Stainless steel ball valve in between.
Brass body/fittings with 5" flex high pressure hose.
Serve as a connector/converter/adapter (1/4 " FFL SAE into 5/16" MFL SAE).
Durable, solid brass tool with SS ball valve that can be opened or closed in just a quart-turn.
One adapter, No color preference is given, if you need a specific color tell us before shipping!
In stock and ready to ship.

NOTE: another model is available from1/4"(MFL SAE) to 5/16"(FFL SAE)
Flat shipping rate to any where with US zip code.
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AGAIN, one of the 3, not the whole set of 3!