Automatic Speed Change : The hinges intelligently adjust the closing speed based on the door's weight, eliminating the need for manual adjustments and providing a consistent closing experience. Concealed Design : A minimalist aesthetic ensures these hinges blend seamlessly into any door, enhancing the overall appearance while delivering exceptional functionality. Rust-Free Guarantee : Constructed from aluminum, these hinges resist corrosion and maintain their integrity over time, making them suitable for any climate. Smooth Mute Operation : Enjoy quiet and effortless door movements, courtesy of the hinges' internal mechanisms that reduce noise and vibrations. Long Service Life : Built to endure, these hinges are designed for longevity, requiring minimal maintenance and ensuring reliable operation throughout their lifespan. Enhance your home's comfort and elegance with our smooth mute, self-closing door hinges. Perfect for residential settings, these hinges offer a whisper-quiet operation and a concealed design that complements your interior decor. Experience the convenience of automatic speed adjustment and the peace of mind that comes with rust-free, long-lasting performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.