HIGH-DENSITY CABLE MANAGEMENT: Designed for managing larger or higher quantities of cables with a wider T-Finger duct EFFICIENT ORGANIZATION: Features cable guides (fingers) to effectively separate and organize cables EASY ACCESS: Hinged cover with plastic clips for easy removal and reattachment REAR CABLE PASS-THROUGH HOLES: Large pass-through holes facilitate easy routing of cable bundles UNIVERSAL COMPATIBILITY: Fits most 2-post and 4-post racks, and works with standard 19' racks with square, round, or threaded holes