Household R410 R22 Valve Core Remover Installer Tool Fine Sealing Air Conditioning Replacement Accessory

Features:
Remove valve cores quickly and easily. Designed ball and brazed side fitting for durability and long life.
Remove and install valve cores without the loss of refrigerant.
Work on service valves cores of booth 1/4 inch and 5/16 inch service ports.
The metal knob is all designed with anti-slip design, and the valve core grabber tool make it be easily inserted into the inner valve core to control the core.
No need to stop the machine, no need to release the refrigerant, the dual size 1/4, 5/16 can adapt to R22/R410 air-condition, external bypass port design can remover valve cores.