Heavy Duty Metal Wall Shelf: Made of high-quality steel with powder-coated finish, each rack supports 40 pounds, 4 racks support 160 pounds total. Set includes 8 metal hooks, 8 screws and 8 expansion screws for efficient storage. Comes with wood screws and concrete screws for plaster, brick, cement and wooden walls. Can be installed vertically, corner-mounted or parallel-mounted with necessary hardware and manual for quick assembly. Each hook holds up to 15 pounds for hanging tools, helmets, backpacks, towels and clothes. Suitable for garages, basements, offices, storage rooms, laundry rooms, living rooms, kitchens and bathrooms to store canned foods, boxes, shoes, documents, towels, clothes, kitchen supplies and tools. weight: 7.216 pounds.