Features: Convenient and light, spring design, make it work more effort. There is a ball valve that can be opened and closed in just a quarter-turn rather than a stem-type valve. Replace damaged leaking valve core without loosing the charge in air condition systems. The valve core grabber tool makes it be easily inserted and installed into the inner valve core to control the core. No need to stop the machine and release the refrigerant. The valve core remover installer tool include a 1/4" FL-M x 5/16'' FL-F adapter, which can become 5/16" SAE connection for R22 R410A refrigeration air condition system. The repair tool is made of heavy duty brass materials, solid and sturdy, durable and long life to use. The metal knobs are in anti-slip knurling design, which is stable and you can use them for a long time. Package Includes: 1x Valve Core Remover Specifications: Material: Brass Size: 120x16x16mm/ 4.6x0.63x0.63 in note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.