This plumbing bleeding key is designed to help you maintain your heating system by releasing trapped air from radiators. Its sturdy metal construction ensures it can withstand regular use, while its simple design makes it easy to use. Ideal for both professionals and DIY enthusiasts, this tool is a valuable addition to any plumbing tool kit. Features -Color:Golden -Material:Copper -Size:3.70X3.70X0.80cm/1.45X1.45X0.31in -Sturdy copper construction: built from copper material, this wrench key ensures durability and excellent performance for radiator maintenance -Bleed key: comes with a bleed key that makes the air bleeding process straightforward and user-friendly -Wide applications: compatible with multiple rv radiator parts, such as bleed valves and heat sinks, providing use -Quick setup: the installation process is designed to be quick and easy, saving you time and effort -Enhanced heat dissipation: enhances the heat dissipation of your rv radiator, ensuring a consistently warm and comfortable environment Package list: 2 x Keys