360 Degree Rotation and Self-Closing Function Experience full flexibility with a unique 360-degree shaft. This self-closing hinge enables a complete rotation, making it ideal for secret doors, hidden rooms, or spaces where traditional hinges may not fit. The design delivers smooth operation and adds a subtle level of intrigue to your home or office. Adjustable Closing Speed Control the closing action with adjustable speed settings. Tailor the closing mechanism to your preference, from fast and gentle to slow and controlled. Suitable for busy entryways or quiet study rooms, the hinges adapt to a wide range of applications. Robust Construction Built to last with high-quality stainless steel and zinc alloy. The sturdy construction provides durable wear resistance and reliable performance over time. Suitable for heavy wooden doors up to 60 kg, delivering long-term dependability. Versatile Application Designed for a range of wood door sizes. Compatible with door thicknesses 32–50 mm and heights 1500–2800 mm. Maximum supported door width is 950 mm, making these hinges suitable for various door types and sizes in residential, office, hotel, and commercial spaces. Use Scenarios - Hidden or secret doors in a home library or study, where a discreet hinge is advantageous. - High-traffic office entrances or conference room doors requiring reliable closure and adjustable speed. - Hotel corridors or commercial spaces with heavy doors needing durable, quiet operation and broad size compatibility.