This 2U-high 12-slot cable manager fits 19-inch standard racks, using 12 independent side-by-side slots to classify and organize cables, preventing tangling and clutter. Made of cold-rolled steel, it combines durability and rust resistance, with easy installation. Suitable for low-to-medium density cabling scenarios like small and medium-sized equipment rooms and office cabinets, it helps improve the neatness of cabling systems and reduce later maintenance difficulty.