Features: Experience door closing with our Invisible Automatic Door Closers, featuring the art hydraulic system that ensures your door shuts quietly. Designs to be discreets, this door Closers is fully adjustable, allowing you to customize the closing speed and to accommodate door weighing, making it addition to any setting. For family with children or elderly member, as well as individuals items who need level of convenience and safety when entering or exiting a room. For residential homes, office space, and commercial establishments, this stainless steel door Closers installed on wood, aluminum, and glass door, enhancing security and functionality across various environment. Upgrades your door hardware with our maintenance door Closers, ensuring long time use and consistent performances while maintaining the aesthetic of your space. Specifications: Component: Stainless Steel Color: As Picture Show Size: 46x2.9x1.9cm/18.11x1.14x0.75inch, 33.2x2.2cm/13.07x0.87inch, 28x3.1cm/11.02x1.22inch, 23x5.6x3.2cm/9.06x2.2x1.26inch Package Includes: 1pc Automatic Door Closers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.