Perforated steel lacer strip mounts vertically to rack rail brackets and provides many locations to secure vertical cabling. 4-3/4in width for high capacity. Includes slip-on posts for fast pre-wrapped cable bundle installation. Also includes cage nut holes and round holes for versatility. Accepts ASP-OWP anti-slip cable pads. Steel construction with black powder coat finish. Sold in packs of 6 pieces.