1. APPLICATION: R134A valve core quick remover tool for car air conditioner. If there is a valve core leakage, you can use this tool to replace the valve core, which ensures that there is no leakage of refrigerant in the system and no need for evacuating. 2. VALVE ROD: Made of premium stainless steel, our valve rod has a strong suction, which can firmly suck the valve and remove the valve without loss of refrigerant. 3. MATERIAL: This spool quick removal tool is mainly made of brass, the stem is made of stainless steel and the red and blue valves are made of aluminium. It has a ball valve that opens and closes with just a quarter turn with no gas loss. 4. ANTI SLIP: The valve core remover tool features an anti slip design that boosts hand friction, ensuring better control and preventing damage to overpowered valves during removal or installation. 5. EASY TO INSTALL: Featuring a core grabber tool, it easily inserts into the inner valve core and control, without evacuating the air conditioning system refrigerant, only a very small amount of refrigerant needs to be added. Specification: Item Type: Valve Core Quick Remover Installer Material: Stainless Steel+Brass Function: No need to release refrigerant when replacing valve cores PackageList: 1 Kit (including 12 accessories) 1 x Transparent Plastic Box 1 x Blow Molded Box