Total of 9 Lanview corner brackets (MPN: RAX405, SKU: W128317432, EAN: 5420018482394) designed for use in racks and equipment enclosures. Made from durable metal (steel) with black powder coating/epoxy resin coatings for corrosion resistance. Designed to reinforce and support internal components and rails in 19" racks and similar network installations. Exact dimensions and thickness of each support are not specified by the manufacturer. The set includes 9 corner brackets — mounting screws or additional hardware are not confirmed.