For 360 Degree Rotating Conceal Bookcase Hinges Heavy Duty Secret Door Pivot Hinges Suitable for High Rise Building DoorsSPECIFICATIONS Brand Name: Keszoox DIY Supplies: Metalworking High concerned chemical: None Origin: Mainland China Features: * Stainless steel material, * The swing door pivot hinge has a smooth swinging movement, allowing you to open and close the door with ease. * Stylish design with retractable pins and balls ensures easy installation and smooth . * The floor bears the full weight of the door, not the door hinges Adjustable clearance, doors are