Heavy Duty Floating Shelf Bracket: Our heavy duty shelves are made of high quality nickel plated iron, each bearing weight up to 50kg. Sturdy and durable, not easy to rust, ensuring the service life of the floating shelf. Wide Compatibility: The rod is 4 inches long, 0.4 inches in diameter, the back plate is 2.8 inches wide and 0.55 inches high. Easily install your favorite shelf in the home office, bathroom, kitchen, living room, dining room, bedroom, garage and even porch. Invisible but sturdy: Our hidden floating bracket will be hidden inside the shelf, and the shelf will float. In this way, you don't have to worry about unsightly metal fittings affecting your home decoration. Easy to install: Our products are very easy to install, just screw in a few screws. These include 4 metal floating brackets, 8 screws and 8 drywall anchors. They are suitable for use in drywall, concrete walls or brick walls to keep the floating shelf brackets intact.