Size of Shelf Brackets: Overall dimensions of the bracket: 100 x 80 x 26 mm / 3.94 x 3.15 x 1 inch. Includes 4 concealed floating shelf brackets in black, with 8 long screws and 8 short screws. Loading Capacity: The two-piece combination of the strong metal corner frame can support up to 20 kg. This metal corner frame is ideal for industrial-style decorative shelving. Design: The shelf bracket features a triangular design, allowing shelves to be securely mounted and hidden underneath for a clean, space-saving, and minimalist appearance. Multi-purpose Use: Suitable for floating shelves, cabinet supports, furniture reinforcement, and room dividers. Ideal for displaying books, vases, photo frames, and other small household items. Sturdy Material: Made from high-quality iron for enhanced durability and wear resistance. The black powder-coated finish provides excellent resistance to scratches and ensures long-lasting performance.