General description The CSPARKV Heavy Duty Stainless Steel Hidden Door Pivot Hinge System is designed for a variety of applications, including wooden doors, aluminum frame doors, cabinet doors, and hidden doors. This innovative hinge system allows for 360-degree rotation and features a unique up and down linkage function, providing a clean and elegant look while reducing pressure on the door frame. Technical specifications Material: Thick stainless steel Functionality: 360-degree rotation Design: Up and down linkage function Installation Includes detailed and visual instructions for easy installation Step-by-step guidance provided Professional customer service available for installation support Usage Suitable for installation in bedrooms, kitchens, and basements Ideal for creating hidden doors