Do you like cars? Do you often maintain your own car? Are you still worried about adding a freon to your car? Adjustable AC R134A Quick Coupler Fittings High Low 1/4" SAE HVAC Freon Manifold Gauge Hose Connector solve all the troubles for you and your family. A/C R134A Quick Couplers: Functions: ▲ Accurate snap lock and knurled grip ring for easy operation, and detachable adapter for longer maintenance. Specifications: ★ High pressure: red coupler, with inner diameter 6.3inch ★ Low pressure: blue coupler, with inner diameter 5.1inch ★ Valve core: R134/ R12 ★ Fits: high low A/C 1/4 inch SAE HVAC ★ Material: aluminum alloy switch, cooper adapter, nickel plated bronze body ★ Comes with 2 pieces copper 1/4" male flare adapter for your convenience. ★ Reliable and safe for valve access to systems even at working pressure. R134A Brass Air Conditioning Can Tap: Functions: ▲ Use to tap into the small AC refrigerant cans, easy to install and can connect any ACME thread, T-shaped handle for easy fingertip control. Specifications: ★ Material: brass ★ Opener screw: 1/2-16 ★ 1/2 Inch ACME threads connector: 7/16-20 R134A refrigerant tank adapter: Functions: ▲ For charging and service tools to adapt between R22 system and R134a systems. Solid brass construction, build to last in your tool box for decades. Specifications: ★ Adapters: 1/2 male ACME, 1/4 female Package includes: 2 x A/C R134A quick couplers 2 x 1/4 Inch SAE adapters 1 x R134A brass air conditioning can tap 1 x R134A refrigerant tank adapter