The PatchRunnerâ„¢ 2 Enhanced Vertical Cable Manager pairs ultra-high-density capability and versatility with its unique zero RU patching feature. The partially assembled manager installs easily to speed up deployment. The dual-sided manager has a metal backbone with molded plastic fingers, and includes two full-length metal, dual-hinging, push-to-close doors. The manager is 52 RU, 12 inches wide, and is white.