This pair of heavy-duty floating shelf support brackets from Highdecora are designed for industrial style. Made from high-quality metal iron with a powder-coated matte black finish, they are durable, sturdy, and resistant to rust and scratches. Each bracket can hold up to 150 lbs when used with expansion tubes. The brackets have a floating and concealed design, allowing for a clean, modern look. They are suitable for various board types like MFC, MDF, or Lumber. These brackets are widely applicable for kitchens, garages, offices, and more, helping to decorate your home and save space. The package includes one pair of black metal shelf bracket supports and 4 plasterboard screws.