Description Description: Product List: 1 R410a Adapters Kit, Packing Size 10cmx10cmx5cm Brass Material: R410a Adapters Kit is made of brass material, which is hard, stable in structure, not easy to break and deform, and resistant to high pressure Solve Leakage Problem: R410a Adapters Kit can solve leakage problem well, the outer layer of the connecting nut has deep knurling, easy to install, convert 5/16 SAE charging vacuum port to 1/4 SAE pressure gauge hose Ejector Design: Charging Vacuum Port Adapter Kit adopts ejector design, which has strong sealing and better meets your use needs Direct Replacement: Charging Vacuum Port Adapter Kit has simple design and can be used directly without complicated steps, which is convenient and fast Specification: Material: Copper Size Chart: Packing Size 10cmx10cmx5cm/3.94inchx3.94inchx1.97inch Package Includes: 2 AD30B 2 AD30C 2 AD30 5 R12 valve cores 5 ejector pins 5 green heads Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.