DescriptionHigh-Quality MaterialsThe rotating door hinge is made of high-quality 201 stainless steel, which is strong and wear-resistant. It opens and closes very smoothly and can be used for a long time.Invisible DesignThe door hinge is invisible, unlike ordinary door hinges that affect the appearance, it is installed above and below the door and has a hidden and convenient design.Flexible RotationThere is a stainless steel ball inside the door hinge. The smooth steel ball makes the opening and closing of the door more stable and flexible and can be opened and closed tens of thousands of times.Easy to InstallThe upper pivot comes with a retractable pin for quick and easy installation. The concealed rotating door pivot hinge can be mounted on the upper level of the door and is fixed in a hole on the door surface.Wide ApplicationConcealed rotating door hinges work great for swing doors, murphy doors, and more. Excellent pivot set alternative when the door weight on traditional door frame hinges is an issue.