Sturdy and durable shelf brackets are made of solid galvanized and nickel-coated steel with a matte black powder coat finish. These wall shelf brackets resist rust and bending, ensuring a long service life. Despite their compact size, these metal shelf brackets are strong and can support shelves weighing up to 80 pounds. Hidden shelf brackets are designed to fit inside both the wall and the shelf. Once installed, the brackets are not visible, providing a clean, seamless look. With no external brackets, the shelf and surrounding area are easy to clean. To install, use a 0.5-inch router bit to cut a 5-inch-long hole into the back of the shelf board. Ensure the board is at least 0.8 inches thick. Secure the floating shelf bracket using the two screw holes that connect the bracket to the wall and the shelf, allowing the shelf to be mounted flush and stable. These space-saving shelf brackets eliminate the need for external supports, maximizing usable space and allowing multiple shelves to be installed close together. Ideal for supporting floating shelves, these shelf brackets offer reliable performance and a sleek, appearance. They are suitable for various home and office shelving applications, enhancing the look of any space with a clean, minimalist design.