Middle Atlantic 3-1/4" Width, 40 Space W/ Tie PostsDesigned for professional AV and IT rack environments, the Middle Atlantic 3 1 4" Width, 40 Space W Tie Posts delivers a focused solution for organizing and securing cables within densely populated rack enclosures. These perforated steel lacer strips mount vertically to rackrail brackets, creating a reliable backbone for cable management that can scale with your installation. The ability to accommodate a wide variety of tie down methods means you can