Air Conditioning Valve Core Kit for R12 R134a, Teflon Seal Refrigeration A C Air Conditioning Service Valve Car & HVAC AC Charging Port Seal Caps Kit dgp350snp d They will last a lifetime B0CFTWBGH1 They will last a lifetime it will keep you from burning hands High Quality Material: Our stainless steel valve removal tools effortlessly handle valve cores and aluminum materials Wide Applications: Our ac valve kit is for most vehicles with R134a AC systems and you can use the high low side service valve to replace the faulty original valve suitable for the injection of R12 R134a refrigerant on your automobiles matching all the sealing parts you need