Our Medium Duty Server Rack Shelf is a fixed shelf that can hold equipment weighing up to 150 lbs. The shelf has a depth of 24" and is ideal for holding equipment such as printers, desktop computer towers, and UPS towers. The Medium Duty shelf is compatible with both any standard 4 Post racks and can fit in square, round, or threaded holes. The shelf can also be center of flush mounted on 2 Post racks. The Medium Duty shelf features a solid steal construction and includes an anti-slip mat.