Invisible Look: Our hidden floating bracket is hidden within the shelf and helps create shelves that appear to float on the wall. Feel free to hang any type of shelves you want. HIGH QUALITY: Our heavy duty shelves are made of nickel-plated solid iron, sturdy, rust-proof and long-lasting. Each pair can hold up to 20 kg when mounted on brick walls. Dimensions: Rod length 100 mm/4 inches, rod diameter 10 mm/0.4 inches. Back plate length: 70 mm/2.8 inches, back plate height 14 mm/0.55 inches. There is an error of ±1 mm. Please drill the hole according to the actual condition. Wide Application: Widely used on background walls in homes, kitchens, garages, offices, cafes, restaurants, stores and more. Package Includes: 8 floating brackets with 16 wall anchors. Suitable for mounting on drywall, concrete walls or brick walls.