This tool is an R134A valve core disassembly tool designed for car air conditioning systems. It allows for the replacement of a faulty valve core without releasing the refrigerant, helping to maintain system pressure and avoid the need for re-vacuuming and recharging the refrigerant after replacement. [Product Name]: R134a Valve Core Disassembly Tool (No Refrigerant) [Product Function]: Replace the valve core without releasing the refrigerant If the valve core in your vehicle's air conditioning system develops a leak, this tool enables quick and efficient replacement while keeping the refrigerant sealed within the system. This helps save time and effort during maintenance. Compatibility: Please compare the part number with your own before purchasing. Note: Gasket plastic box color may vary by production batch and is provided randomly. Slight differences between actual product and images may occur, but these do not affect normal use. Color: As shown in photos Material: Copper Package Contents: 1 x R134A R1234YF Valve Core Tool Note: Light reflection and display settings may cause slight color variations between the item in the photo and the actual product. Measurement may have a 1-3 cm error due to manual measurement.