
Upgrade Valve Cores: Premium-quality 1/4 inch & 5/16 inch SAE valve core removal tool HVAC. This valve core remover installer tool is made of heavy-duty brass and stainless steel and has a longer service life than ordinary valve cores, strong resistance to fluorine, and stronger heat. Wide Application: The Valve Core Remover is suitable for home refrigeration equipment, dual size( SAE 1/4 inch & 5/16 inch Port ) design makes the valve core remover installer tool be compatible with R22, R12, R407, R410, R404, R32 A/C air condition systems, etc. (Not suitable for Automotive AC) Easy to Install: The valve core remover installer tool 's core grabber tool makes it easily inserted into the inner valve core to control the core. There is no need to stop the machine or release the refrigerant. HVAC Service Wrench Set: Refrigeration wrench set are made of premium stainless steel, 4 in 1 valve wrenches size include 1/4 inch, 3/8 inch, 3/16 inch, 5/16 inch, these sizes are the most commonly used