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- Fits A/C manifold gauge sets (R-134A), coupler interface fits with R134A service ports, 1/4″ male flare
- Adjustable coupler (6-ball style) is compatible with all models
- Accurate snap lock & knurled grip ring for easy operation, detachable adapter for longer maintenance
- Aluminum switch, bronze ACME adapter, and nickel plated bronze body
- 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