Stable and Durable: Wooden shelf brackets are made of solid galvanized and nickel-plated steel with a matte black powder coating. These wall shelf brackets will not rust or bend, ensuring a long service life. Although they are small metal shelf brackets, they are sturdy brackets that can support shelves weighing up to 80 pounds. Invisible and Hidden: Hidden shelf brackets are designed to fit inside the wall and into the shelf. After installation, the hidden shelf brackets are not visible. Without the bracket on the outside, the cabinet is easy to clean. Easy to Install: To hide the small brackets in the wood, use a milling cutter (0.5-inch bit) to drill a 5-inch deep hole on the board. Make sure your board is thicker than 0.8 inches. Secure the floating shelf brackets with two screw holes and holes in the floating wooden shelves, then mount the shelf on the wall. Save Space: If you use these decorative shelf brackets, you can save much more space as there are no supports on the outside. So you can install many shelves nearby. Wide Range of Applications: These rack plank brackets have better performance. Decorative shelf brackets are ideal for supporting your floating shelves. Shelf brackets make your shelf furniture stylish and modern.