Enjoy a truly concealed and silent entry thanks to the -machined 360° Rotation mechanism. The smooth pivot shaft operates with minimal friction, ensuring your secret door or heavy swinging panel opens and closes effortlessly and whisper-quietly. The , top-and-bottom linkage structure transfers door weight directly to the floor, significantly reducing stress on your door frame. Perfect for both center-pivot (360° rotation) and side-pivot (180° swing) installations. Conquer the installation challenge with our straightforward, user-focused design. Featuring a telescopic top pin for simplified vertical alignment and adjustment, this kit minimizes frustration. This system is ready for use by both professional carpenters and serious DIY enthusiasts Achieve structural integrity with our 570 LBS (259 kg) High Load-Bearing Pivot System. Engineered from premium thickened alloy steel, this heavy-duty hardware completely eliminates door sag and wobble-even for massive, fully-loaded bookcase doors and custom-built panels. This heavy-duty hardware is the ultimate solution for custom concealment projects, including: Secret Doors, Hidden Bookcase Doors, Full-Sized Bookshelf Doors, Heavy Custom Wood Doors, Pivot Door Kits, and Hidden Shelf Doors. Ideal for maintaining structural integrity and creating a truly entrance, Weight: 2.96080817866 pounds, Manufacturer: NONDK