This practical radiator key is suitable for quick and efficient radiator maintenance. Its small cross modeling key design allows for easy access to tight spaces, making it ideal for use in compact areas. The metal construction provides durability, ensuring that this tool will be a reliable part of your toolkit for years to come. Features -Color:Silver -Material:Metal -Size:7.00X7.00X1.30cm/2.75X2.75X0.51in - inner side length and diameter: 0.35in, 0.23in, 0.19in -Center Inner hole square side length: 0.19in -Center Inner hole hexagon diameter: 0.27in -Reliable materials: this radiator key is made from metal materials, ensuring durability and resistance to wear for long term use -Simple operation: the key switch design allows for easy and intuitive operation, making it userfriendly for all -Multipurpose tool: designed for venting, and temperature control, this key provides comprehensive radiator maintenance -Effortless installation: the valve wrench is easy to install, requiring no professional tools or expertise, making it convenient for everyone -Wide range compatibility: this key is compatible with various radiator types, making it suitable for a broad range of applications and users Package list: 1 x exhaust valve key