Ⅰ. Usage Tips: Heavy Load Shelf Bracket The metal black shelf brackets are 5mm thick and made of solid iron, with a maximum load of 65KG/150LB per pair, if correct installation is guaranteed. Our shelf brackets will not twist or warp in the load range. Ⅱ. Unique Design Style Our wall shelf brackets have a matte black appearance which can create a rustic style for your room. The fine brushed surface improves corrosion and rust resistance and gives it an elegant and shiny finish; thin smooth edges make it safer and protect your hands well. Ⅲ. Wall Decoration Metal shelf brackets make good use of available wall space and help keep the room clean, elegant and beautiful, suitable for various interior styles. Ideal for displaying potted plants, books, toys, ornaments and crafts. Ⅳ. You Will Receive 4 x 20cm black shelf brackets, 24 x screws in different sizes, 8 x long screws, 8 x short screws and 8 dowels, suitable for mounting on wooden or concrete walls. If you want to use the floating shelf for heavier loads or the floating shelf is too long, you can add other brackets to it. Ⅴ. Application Scenario Matte polished black surface, the bracket of heavy industrial shelves is suitable for bedroom, living room, kitchen, hallway or bar, hotel, etc. The minimalist black industrial design brings effects to your interior. Ⅵ. Specification: Material: Iron; Quantity: 4; Color: Black; Stand size: 20 x 15 x 4 cm Ⅶ. Package Included: - 4 x Wall Shelf Brackets (Black); - 8 Long Screws (Black); - 8 Short Screws (Black); - 8 x Wall plugs