Suitable for car air-conditioning replacement and maintenance. Bear the impact, the freon(R134a),the oil, watertightness and the corrosion. For Buick Series, Beverly, ,GM, Ford, Chrysler, Mercedes, BMW, SAA,Jetta, Volvo, Volkswagen, Toyota, Honda, Lexus, Nissan, Hyundai, Elantra, 134A Universal, etc. Contents: 50pcs 4mm/18mm long R12 valve cores 5pcs 6mm/22mm long R134A valve cores 3pcs 5mm//18mm long suit for JETA 1pcs 5mm/25mm long suit for BMW 1pcs 7mm/20mm long suit for PEUGEOT & VOLVO 30pcs 4mm/18mm long for car tire valve core 30pcs 4mm/18mm long R12 valve cores 5pcs 6mm/22mm long R134A valve cores 5pcs 6mm/22mm long 6MM low side 4pcs 8mm/22mm long hige side
