The 2 Post Rack Sliding Half Shelf is 19" EIA standard 2Post rack. Designed for light weight products such as laptops in 2 post racks. This 2Post rack shelf has a 30 lb (13.6 kgs) equipment capacity and will support a wide variety of electronic equipment. Electronic devices up to 10.3" (261.6mm) deep can be supported on this 2Post rack shelf and slides out of the rack for easier servicing. This shelf can also be mounted in a 4 Post rack.