4pcs Floating Shelf Bracket, Metal Invisible Shelf Bracket, Heavy Duty Hidden Shelf Bracket,10mm8700521959413 Sturdy and DurableWood shelf brackets are made of solid galvanized and nickel coated steel with a matte black powder coat finish. These shelf wall brackets will not rust or bend, which guarantees a long service life. Although they are small metal shelf brackets, they are sturdy brackets, which can support shelves weighing up to 80 pounds.Invisible and HiddenHidden shelf brackets are designed to fit inside in the wall and in the shelf. After assembly, the hidden shelf brackets cannot be seen. Without the bracket outside, the cabinet is easy to clean.Easy to InstallTo hide the small brackets in the wood, please use a router bit (0.5 inch bit) to drill a 5 hole inches long on the board. Make sure your board is thicker than 0.8 inches. Fix the floating shelf brackets by two screw holes and holes in the wooden floating shelves, then the shelf is mounted on the wall.Save spaceIf you use these decorative shelf brackets , they allow you to save much more space since there are no supports on the outside. So you can install many shelves nearby.Wide ApplicationThese scaffold plank brackets have better performance. Decorative shelf brackets are ideal for supporting your floating shelves. Shelving brackets make your shelving furniture look pretty and fashionable.