Features:Cable Pass-Through Holes are Evenly Spaced, Cable Tie-Off Slots Help keep Cable Managed, Constructed in 16-gauge Steel, Easily Mounts to EIA Mounting Rails, Manufactured in North America, Prevents Cables from Sagging when Running Front to Rear, Requires 2 Pairs of Mounting Rails to Install & Mounting Hardware, Universal Design Compatible with Both Racks and Cabinets