Fastening to the joints by means of 4 self-tapping screws in the appropriate internal groove. The profile can be cut to size without the need for threading. Open profile, which can be closed with the special cover that facilitates access in case of maintenance work and allows the insertion of pre-wired cables equipped with connector. The open profile is made in an X-shape to increase the load capacity and allow the passage of large cables. Top profile area suitable for routing cables with large connectors (e.g. DVI or VGA) throughout the system.