Description: Air Conditioning Line Repair Tools: Professional air conditioner system repair tools, the valve core remover installer tool set is used to quickly and easily replace the valve cores, is labor saving and highly efficient.Dual Size Port: The valve core removal tool features a dual size SAE 1/4 and 5/16 port, suitable for R12 R407 R404 R32 and other air conditioning systems.Premium Material: The valve core remover installer kit is made of premium copper material, wear resistant, sturdy, and ensures a long time to use.Wide Applications: The air conditioning line repair tools are easy to operate, suitable for home maintenance and professional people, and easily repair home refrigeration equipment.Package Including: 1 Set/32 Pieces of valve core remover installer kit, including 1 valve core removal tool, 1 brass adapter, 20 valve cores and 10 brass nuts. Specification: Material: Copper Size Chart: Drawn length 16.2cm/6.38inchUndrawn length 11.8cm/4.65inch Package Includes: 1 Set Valve Core Remover Installer Tool Kit Note: Please allow slightly errors 1-2cm differences due to manual measurement.