The Kendall Howard Cable Cove 2-Post Rack is a great inexpensive way to get your components mounted. These racks are excellent for wire cabinets, telephonic devices, and general network components. Made from US steel, each rack post has a generous 4 inch internal cove for cabeling. Side panels have routing holes and ganging holes to mount multiple units together. Rails have universal mounting holes that are compatable with virtualy every cage nut size available on the market today.These racks can be freestanding or bolted to the floor (floor mount hardware not included).