The Black Box Vertical Cable Managers mounts to any standard rack and helps you organize your cabling through a covered finger duct solution, while also eliminating cable stress on your equipment. The slotted ducts provide ample space for all of your cables, and pass-through holes on the back panel allow routing from front to back. Constructed of heavy-duty carbon steel with a black matte finish, this cable manager provides a durable solution that you can count on to perform.