【High Quality】 Each window handle with key is made of high quality aluminum alloy, which is corrosion resistant and wear resistant. The well-designed window handle is ergonomically designed and comfortable to hold. The surface is white, smooth and flat, which can effectively resist scratches and corrosion in daily use, ensuring its beauty and functionality in long-term use. 【Lockable】 The window handle with key is equipped with a lock and a key. By locking the window, it effectively prevents theft. Parents can control the opening and closing authority of the window, effectively preventing children from accidentally opening the window and improving the safety of children at home. 【Easy to use】The lockable window handles are suitable for different types of windows such as outward opening, inward tilting and inward opening windows. They can be installed quickly in a few simple steps and are strong and reliable after installation. All keys are universal and only one key can be used on all