HSEAMALL 50 pieces A/C valve core R12 R134a Automotive air conditioning refrigeration tire valve stem core remover tool assortment kit

"1. Air Conditioning Valve Core Auto R12 R134a Air Conditioning Accessories. 2. Impact bear, Freon (F12 R134a), oil, waterproofness and corrosion. 3. Fits most cars, great for mechanics and A/C repair shops. 4. Package includes 50 value cores and 1 remover tool. 5. Suitable for auto A/C replacement and maintenance, replacement refrigerant valve core leak."