The universal design is suitable for most standard window frames, and the installation is simple without additional modification, and it is more convenient to replace and upgrade. Ambidextrous Window Handle for Left or Right-Hand Use: Designed as an Ambidextrous Window Handle, it can be installed for either left-handed or right-handed operation, offering flexible usability Modern simple appearance" matte surface treatment, simple line design, integration into the home style, enhance the overall aesthetics Universal Window Handle for Easy Installation: This Universal Window Handle fits a wide range of window types, making it a versatile choice for various installations and replacements If you have any questions about the use of the product, please feel free to contact us！