1. R22/R410A Refrigerant Charging Adapter for Air Conditioner Charger Safety Adapter Sae 1/4" Male to 1/4" Sae Female 2. Since the high-end quality design, the rotation by high charging is easy to use. 3. No matter how the safety valve is placed, it is easy to switch operations. 4. High-end CNC machine tools, multiple parts are connected to prevent any leakage. 5. The factory is sealed before handling, safe and reliable. Features: 1. R22/R410A Refrigerant Charging Adapter for Air Conditioner Charger Safety Adapter Sae 1/4" Male to 1/4" Sae Famale 2. Since the high-end quality design, the rotation by high loading is easy to operate. 3. No matter how the safety valve is placed, it is easy to switch operations. 4. High-end CNC machine tools, multiple parts are connected to prevent any leakage. 5. The factory is sealed before handling, safe and reliable. 6. Choose an experienced design team and create it in strict accordance with the application of product design. 7. The movable ring can