High quality stainless steel material: The glass bracket screws are made of high quality stainless steel, rust and scratch resistant, with a smooth and bright surface for exceptional durability and reliability. p> Refined design: Hollow advertising screws are durable and sturdy, and their load capacity can even handle heavy signs. Flat, smooth and shiny surface gives your walls a sleek and modern look Non-slip spacers: Each bracket has 2 transparent nylon spacers between the studs and the barrel, which can protect the glass and prevent the sliding, ensuring safe and stable installation of your logo Easy to install: our stainless steel bracket kit comes with screws and expansion tubes, so you can simply drill a small hole in the wall to install the poster board on the wall, which is very convenient. Multipurpose: The screw rack is used to display your favorite artworks and photos, ideal for businesses, offices, supermarkets, stores, art exhibitions, homes, billboards.