Widely applicable: The automotive AC valve core remover and installer tool set is suitable for R134A and R1234YF automotive air conditioning systems and is compatible with standard Schrader valves. Quality valve core components are compatible with R12, R134a, and R1234YF automotive and household air-conditioning applications. Quality construction: The valve core remover and installer tool kit is made of solid and sturdy metal materials, ensuring reliability. The parts are oil-resistant, impact-resistant, corrosion-resistant, waterproof, and not prone to chipping or breaking, supporting long-term use. Easy to store and use: The tool kit comes with a storage box, making it easy to organize and saving space. It is simple to operate, allowing the removal or installation process to be completed within minutes. This set provides efficient and practical valve replacement solutions. Practical tools: The valve core remover and installer tool kit includes multiple rubber rings designed for replacing leaking refrigerant valve cores. These components are oil-resistant and wear-resistant. The kit is ideal for use on vehicles such as cars, trucks, motorcycles, bicycles, and ATVs. Color: As shown in photo Material: Metal Package Contents: - 2 x Valve core quick remover/installer - 2 x R1234YF service replacement port - 1 x Remover/installer tool - 10 x R134a refrigeration Schrader valve cores (random colors, no specific color guaranteed) - 20 x R12 refrigeration Schrader valve cores (random colors, no specific color guaranteed) - 5 x R1234YF refrigeration Schrader valve cores (random colors, no specific color guaranteed) - 20 x O-ring rubber seals Note: Only the items listed above are included. Other products are not part of this package. Lighting and display differences may cause slight variations between the item color in photos and the actual product. Measurement may vary by +/- 1-3 cm due to manual measurement.