Heavy Duty Door Hinge, Pivot Hinge, 570 Lbs Load-Bearing, Solid Stainless Steel, Swinging Pivot Hinge 360 Rotation, Door Hinge The sturdy metal construction is made of thick, solid, high-quality materials, ensuring durability and strength. The surface is specially treated to resist rust and damage, with fine workmanship that contributes to a longer service life. Supports up to 570 lb (260 kg). High-quality materials, excellent forging process, scientific structural design, and secure screw fixation provide stable and strong support for the door. Features up and down linkage function. When installed on the central axis of the door, allows 360-degree rotation; when installed on the side, allows 180-degree swing, suitable for various installation styles and applications. Precision-engineered base bearing design ensures quiet, smooth, and flexible door operation. Suitable for wooden doors and aluminum frame doors. Ideal for use with hidden doors, heavy-duty doors, secret doors, hidden door bookcases, bookshelf doors, swing doors, hidden shelf doors, and standard door hinge installations. Easy to create custom hidden door solutions. Fast and simple installation with all necessary hardware included. Material: Metal Color: Black Package Contents: 1 set hidden door hinges Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.