General description The 4 Pack Invisible Wall Mounted Shelf Brackets are designed for a sleek and modern look, providing a sturdy support system for your floating shelves. Made from solid galvanized and nickel-plated steel with a matte black powder-coated finish, these brackets are both durable and aesthetically pleasing. They can support shelves weighing up to 80 pounds, making them a reliable choice for various applications. Technical specifications Material: Galvanized and nickel-plated steel Finish: Matte black powder-coated Weight capacity: Up to 80 pounds Required board thickness: Greater than 0.8 inches Router bit size for installation: 0.5 inches Drilled hole length: 5 inches Installation Use a router with a 0.5 inch bit to drill a 5 inch long hole in the board. Ensure the board is thicker than 0.8 inches. Fix the brackets using two screw holes and secure them to the wooden floating shelves. Mount the shelf on the wall after installation. Usage Ideal for creating floating