Invisible Look: Our hidden floating bracket is hidden in 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, rustproof and long lasting. Each pair can hold up to 20kg when mounted on brick walls. Dimensions: Rod length 100mm/4inch, Rod diameter 10mm/0.4inch. Back plate length: 70mm/2.8in, back plate height 14mm/0.55in. There is an error of ±1mm. Please drill the hole according to the actual condition. Wide application: Widely used on background walls in homes, kitchens, garages, offices, cafes, restaurants, shops and more. Package includes: 8 floating brackets with 16 wall anchors. Suitable for mounting on drywall, concrete walls or brick walls.