Startech.Com 2U Vented 19″ 2-Post Network Rack Cabinet Shelf, 20In Deep Center Mount Cantilever Tray Rackmount Shelf For Av/Data Equipment Enclosure With Cage Nuts & Screws 75Lb Capacity – 2U Fixed Rack Shelf (Cabshf2postv2) – Rackhylde – Sort – 2U – 19″