Middle Atlantic HCM-2D
This HCM-2D Horizontal Cable Manager: 2U D-Ring Style from Middle Atlantic is a rackmount cable manager that facilitates the organization and pass-through of cabling to other equipment. Cables can be passed through the top, bottom, and back of the cable manager.

It can also provide cable strain relief for more reliable connections. It is constructed from welded steel and has a durable flat black powder-coat finish. This model occupies 2U of rack height and features d-ring style cable-management prongs