This radiator bleeder screw is designed to enhance the performance and reliability of automotive cooling systems by providing a secure seal for the radiator expansion tank. Its compact design fits seamlessly with compatible vehicles, making it an essential accessory for maintaining optimal coolant flow and preventing leaks during vehicle operation. Features -Color:Golden -Material:Copper, plastic -Size:1.76X1.60X1.60cm/0.69X0.63X0.63in -Durability and Strength: Crafted from premium copper and plastic materials, this radiator expansion tank screw resistance to deformation - Easy Installation: Designed for quick and hassle-free setup, this bleeder screw provides an effective method to prevent radiator fluid leaks without needing extensive mechanical skills -Precision Fit: Engineered specifically to match the fitting requirements of different car models -Performance Tested: This coolant air bleeder screw undergoes thorough quality assessments to ensure it performs consistently under various operational conditions, enhancing vehicle cooling efficiency -Compact and Portable: Featuring a lightweight and space-saving design, this reservoir plug can be conveniently stored or transported, making it ideal for on-the-go maintenance or replacements Package list: 4 x bleeder screw