Rittal Cable Sprockets, 4 HE (4U) full mounting for 19" systems. Includes 4 sprocket elements made of steel sheet in black color (RAL 9005). Includes 2 plastic connecting combs (UL 94‑V0) for connecting the elements and creating additional guiding chambers. The open mounting holes allow sliding at the 19" mounting level after installation. Designed for vertical and horizontal guidance of cable bundles in boxes and distribution panels, suitable for multimedia and structured cabling applications.