【Dimensions and Capacity】: Brackets measure Ø12x200 mm, support up to 30kg/pair, suitable for shelves 25 mm thick 【Stable Material】: Crafted from nickel-plated carbon steel, these shelf supports ensure durability and resistance 【Invisible Design】: These floating shelf brackets are fully concealed when installed, creating a sleek, modern look 【12-Piece Set】: Includes twelve invisible shelf brackets in shiny silver; screws and plugs are not included 【Versatile Applications】: Ideal for homes, kitchens, garages, offices, cafes, restaurants, and stores, offering stylish support, Weight: 4.40924524 pounds