You can use this pivot hinge with heavier and doors without worrying about sagging or warping. This pivot hinge adds of mystery and to your space. You can create a hidden door that rotates 360 degrees. Different from traditional door hinges, our hidden door hinges have a upper and lower link design structure, which replaces the traditional door frame butt hinges and is supported by the bottom arm and floor instead of the frame, thereby reducing the load pressure on the frame. It can carry up to 100kg/220lbs. Perfect for bookcase doors, bookshelf doors, cabinet doors, panel doors and more., Weight: 1.17065461122 Pounds, Manufacturer: Disttocate