High-quality materials: Made of high-quality aluminum alloy, wear-resistant, durable and corrosion resistant. The handle is a door and window hardware accessory widely used on plastic, steel and aluminum alloy sliding doors and windows. The seven-character handle is called the seven-character handle because its shape is similar to the seven-character handle Seven-character handles: Characters are usually made of copper, stainless steel, alloys and other materials. Materials include zinc alloy, copper, aluminum, stainless steel, plastics, logs, ceramics, etc. The seven-digit handle is usually treated by surface processes such as electroplating and electrostatic painting, making it resistant to corrosion and corrosion Safe design: the oval is suitable for all Common tilt-and-turn windows, windows and patio doors are securely locked or tilted with handles. The fixing screws are firmly embedded in the rosette and are not easy to rust Versatility: Our window balcony handles are suitable for almost all types. Whether it is a new window or an old window, the handle also gives us a little visual embellishment in the interior. The assembly process is clean and quick and doesn't require a lot of tools or prior knowledge. Mounting screws are included in the kit Robustness: The window handles are made of very high quality and robust materials which guarantee a very long lifespan and optimal comfort. Closing windows and balcony doors can protect our houses and apartments Welcometomeet