Orion Motor Tech AC R134A Adapter, Adjustable 134A R-134A Quick Coupler Connector, 1/4 inch Fittings, Works with Manifold Gauge Set
Brand: Orion Motor Tech
Color: R134A [new]

Specification:
Item Weight: 9.6 oz.
Product Dimensions: 3.6 x 3 x 2 in.
Compatibility: A/C manifold gauge sets (R-134A type)
Package List:
1 x Red Coupler (High Side)
1 x Blue Coupler (Low Side)
4 x Brass Adapters (1/4" SAE male flare)

Fits A/C manifold gauge sets (R-134A type), coupler interface fit with R134A service ports, 1/4" male flare.
Adjustable coupler (5 ball style) is compatible with all models (competition: unadjustable couplers are NOT compatible with European models)
Accurate snap lock and knurled grip ring for easy operation; detachable copper adapter for easy maintenance; both top and bottom knurl are colored for accurate maneuverability
Premium quality, aluminum construction for the low-side (Blue) & high-side (Red) switch; nickel plated bronze for the body; bronze construction for the ACME adapter
Method of use: connect bottoms with vehicle's R134a service port; connect the ACME adapter with the refrigerant hose; turn on/off the switch at top to turn it on/off