R12 to R134A Conversion Kit: Includes 1 x 90-degree low side R12 to R134A conversion adapter, 1 x 90-degree high side retrofit adapter, 1 x low pressure side AC fitting port retrofit adapter, 1 x high pressure side AC fitting port retrofit adapter, all with dust caps. Also includes 2 x valve core removal tools for easy and fast installation. Quality and Sturdy Material: The 90-degree R12 to R134A AC fitting adapter kit is made of high-quality brass, while the straight-type adapters are made of aluminum alloy. Designed with good sealing and heat resistance properties, these adapters are durable, corrosion-resistant, and feature a leak-proof design for reliable performance. Good Compatibility: The high and low pressure R12 to R134A retrofit adapters are compatible with 1/4-inch female to 7/16-inch-20 UNF connections and work with R134A quick disconnect hoses. Suitable Size: The low side adapter (blue cap) measures 1/4 inch (7/16-inch-20) x 13 mm; the high side adapter (red cap) measures 1/4 inch (7/16-inch-20) x 16 mm. The compact size allows for easy installation and convenient use. Practical Use: This kit includes 2 x 90-degree AC fitting port adapters and 2 x straight-type AC fitting port adapters, suitable for a wide range of applications in AC refrigerant systems. The included valve core removal tools make servicing easier. Color: As shown in photo Material: Metal Package Contents: 1 x AC Fitting Conversion Adapter Kit Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.