GBSCLOVER 50Pcs AC Schrader Valve Core Set, 0.8in Anti Leakage Car Ac High Pressure Valve Core, Copper High Pressure Valve Stem Core for R134 Series Auto Air Conditioners

["Fitment: High pressure valve cores are suitable for R134 series and are also compatible with most automobile air conditioning systems. High pressure valve core is suitable for auto repair stores, car beauty shops and repair shops, meeting daily maintenance needs","Specification: The package includes 50pcs schrader valve cores, length of auto AC metal valve core is 19.93mm/0.8in. Auto AC valve core adopts standard thread and size design, which is easy to disassemble or assemble, and can quickly replace the old valve core","Copper Material: Schrader valve cores are made of copper and aluminum alloy, which have solid structure and are not easy to break. High pressure AC valve has decent compressive ability and can adapt to high pressure working environment of automobile air-conditioning pipelines","Good Sealing: The threads of brass A/C valve stem cores engage tightly and valve core closes accurately, avoiding refrigerant leakage. Refrigerant valve core maintains normal high-pressure working state of automobile air-conditioning system and maintains cooling efficiency","Easy to Install: Just use a screwdriver (not included) to unscrew the old valve core directly, then align the new auto AC metal valve core with the air conditioning pipe interface, and finally tighten AC compressor schrader valve until it fits tightly and seals"]