Easy Installation: These hinges are designed for easy installation, allowing you to quickly replace or upgrade your existing window accessories Functionally Safe: These window hinges are functionally safe, ensuring your windows open and close smoothly for optimal ventilation and security Reliable Support: These hinges provide reliable support to improve the operational performance of your windows, giving you peace of mind while maintaining a clean and modern look Versatile Compatibility: These window hinges are compatible with a wide range of window styles to ensure a good fit with your home improvement project Made from high-quality stainless steel, these side-hung window friction hinges are robust, sturdy and reinforced for long-term use. The surface of the sliding friction support hinges is smooth and free from burrs, preventing cuts to the hands., Manufacturer: KFGISD