Features: The R134a quick refrigerant tool is a must-have for anyone looking to maintain their car air conditioning system. Made from high-quality copper-and plastic materials, this tool is durable and ensures precise control over refrigerant flow. Perfect for car owners who want to save money on expensive repairs and maintenance fees by doing the job themselves. This tool is specifically designed for use with automotive air conditioning-systems, making it ideal-for mechanics and car enthusiasts alike. Enjoy the peace of mind that comes with knowing your car air conditioning system is running smoothly and efficiently, even in hot weather conditions. Specifications: Material:Copper+Plastic Size:As Picture Shown Working temperature: normal temperature Flow direction: unidirectional Package Includes: 1x R134A AC Refrigerant Charge Hose note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.