Powerful load-bearing12U Network Rack Open Frame is constructed from durable Cold Rolled Steel; Rack Shelf Back Support enhances stability; load-bearing capacity of 260lbs Sliding & ConsiderateOpen-frame layout, including four wheels easy to move, a top panel adding space, anti-slip shelf stops fixing devices and compatible racks for stack and expansion to meet requirements of home server rack Complete AccessoriesA 12U open frame server rack, two ventilated shelves, four shelf stops, four casters, four velcro straps and a set of equipment mounting screws Versatile ApplicationIdeal for space-efficient multi-device setups in warehouses, retail, classrooms, offices and more; Excellent choices as AV Rack/IT Rack Effortless SetupServer rack with wheels includes hardware, a comprehensive manual, mounting hole drilling template and an online assembly video to simplify setup