If you've ever been in a vehicle without air conditioning in the summer, you know how uncomfortable that is. When your AC breaks, don't get heated. Have the OEMTOOLS 24529 No Gas Loss R134a A/C Valve Core Remover and Installer on hand for a quick fix. The design of this valve core remover is the easiest solution for replacing old valve cores. This HVAC valve core removal tool allows you to complete valve core replacement jobs in most R134a automotive A/C systems. This valve core tool works on 13 and 16 millimeter high and low service ports. The r134a valve core remover has a built in ball valve that allows the system to maintain charge and for you to access the AC system easily. If you ever need to transport this AC valve removal tool set, the sturdy carrying case will keep all the pieces within this kit together and organized. For quick, effective AC service, the OEMTOOLS 24529 No Gas Loss R134a A/C Valve Core Remover and Installer is what you need.