The Childwee Car Coolant Air Bleeder Screws are made of copper material, ensuring durability and longevity. The addition of a rubber seal adds a layer of protection, prolonging the life of the screw. These screws are also known for their efficient fit and easy installation, allowing users to vent or remove air from their car's radiator expansion tank. With the push of a button, these screws can quickly and effectively expand or contract the tank, ensuring optimal coolant circulation and preventing blockages. As an added bonus, the screws come in a package of 2, making it easy to have a spare on hand for any unexpected circumstances.
