This radiator air vent key is good for maintaining your heating system by allowing you to bleed air from radiators. Its sturdy construction ensures performance, while its user-friendly design makes it easy to operate. Suitable for a variety of radiator types, this tool is a must-have for looking to keep their heating system running smoothly. Features -Color:Golden -Material:Copper -Size:3.70X3.70X0.80cm/1.45X1.45X0.31in -Robust copper build: constructed from sturdy copper, this tool ensures longterm reliability and effective performance for radiator bleeding -Convenient operation: includes a bleed key that makes the air bleeding process simple and efficient, suitable for all users -Broad compatibility: ideal for use with a range of rv radiator parts, such as bleed valves and heat sinks, ensuring functionality -Easy setup: designed for quick and easy installation, saving you time and effort during the setup process -Optimal heating performance: boosts the heat dissipation capabilities of your rv radiator, ensuring a consistently warm and comfortable living space Package list: 2 x Keys