These invisible floating shelf brackets offer a sleek, modern design by concealing hardware, creating a clean backdrop that showcases your shelves and items beautifully. Stable and durable material: Made from strong carbon steel and finished with nickel plating, these shelf brackets offer exceptional stability and resistance to corrosion, ensuring long-lasting performance. Invisible design: The shelf brackets are cleverly designed to be concealed within the wall and the shelf. Once installed, they are completely out of sight, giving the furniture a clean, sleek look. Wide applications: These shelf supports are ideal for backdrop walls in a variety of settings, including homes, kitchens, garages, offices, cafes, restaurants, stores, and more. Good to know: Screws and plugs are not included in the delivery. Colour: Silver Material: Nickel-plated carbon steel Round roller diameter: 10 x 150 mm (Diameter x L) Rectangular plate dimensions: 70 x 15 x 4 mm (L x W x T) Hole spacing: 45 mm