Color: Silver,Yellow Package Includes：Silver Connector High And Low Pressure + Yellow Wrench 【R12 to R134a Conversion Kit】r12 to r134a adapter Includes 1 R12 to R134a high pressure side adapter, 1 R12 to R134a low pressure side adapter and 1 valve core removal tool. 【R12 to R134a Conversion Adapter】r12 to 134a adapter fittings Convert your old 1/4" SAE or 7/16" - 20 UNF R12 R22 filler port to R134a quick fill hose, ideal tool for car air conditioning refrigerant system. 【Size Description】r12 to r134a conversion kit: 1/4 inch (7/16 inch - 20) x 13 mm (blue); High-voltage side R12 to R134a conversion adapter: 1/4 inch (7/16 inch - 20) x 16 mm (red) 【High-quality brass material】r134a adapter is made of high-quality brass material, with good sealing, corrosion resistance, sturdy and durable. 【Wide Application】r12 kit can be fully used to replace R12 R22 to R134A charging port 1/4 inch SAE or 7/16 inch - 20UNF adapter. It is an ideal air conditioning conversion adapter kit for maintenance personnel.