Line Piercing Valve use for refrigerator gas charging,gas restore and pressure check

Piercing Valve for air conditioners & refrigeration HVAC gas charging 3/16″, 1/4″, 5/16″, 3/8″ OD Tubing Easy to use: Just twist the wield and make a contact with the gases, and connected to the 1/4″ SAE flare connector. Adjustable Valve for Air Conditioners HVAC3/16″ 1/4″, 5/16″, 3/8″ Tubing Warm notice: It is not suitable for refrigerant 410a. 100% Brand New Aftermarket Refrigerant Line Piercing Valve with Premium Quality Brass Material: High quality tough and durable brass alloy material with heavy-duty construction for durable use, and last under extreme conditions and for durability and safety Fitment: Line Piercing Valve for air conditioners & refrigeration HVAC gas charging 3/16″, 1/4″, 5/16″, 3/8″ OD Tubing can with highly working performance. A wide range of applications .