Tripp Lite's 58U Heavy-Duty 4-Post Open Frame Rack helps IT managers organize their equipment array and provides fast, easy access to installed IT equipment. The SR4POST58HD is a simple solution for housing IT equipment in secure environments and other areas that don't require a lockable rack solution. This 58U rack features heavy-duty cold-rolled steel construction with a black powder-coated finish for durability. It supports stationary loads up to 3000 lb. The SR4POST58HD comes with all the hardware required for assembly and has a self-squaring design with bolt-down provisions. For high-density applications, multiple units can be bolted together side by side.