Rack Mount Shelf 12 In Deep 1U Space

ProX T-RS1-12 Rack Mount Shelf 12 Deep, 1U Space.   Add a sturdy, fixed shelf into almost any server rack or cabinet with this universally mountable durable steel shelf.    It fits any standard front mount 19” server rack or cabinet, the rack shelf is constructed of sturdy, cold-rolled steel for long-term durability.   

The Black ProX  T-RS1-12 Standard Universal Rack Shelf helps to efficiently organize your mission-critical items and accessories by adding a fixed shelf with the capacity to hold up to 40 lbs.   The bottom of the shelf unit is perforated to allow critical airflow to electronics components and other rack devices, reducing the shelf's overall weight...
https://www.proxdirect.com/products/view/1100