The Black CABSHELF Standard Universal Server Rack Cabinet Shelf helps to efficiently organize your mission critical computer hardware and accessories by adding a fixed shelf with the capacity to hold up to 20 kg (44 lbs). This TAA compliant product adheres to the requirements of the US Federal Trade Agreements Act (TAA), allowing government GSA Schedule purchases. Universally mountable in any standard front mount 19” server rack or cabinet, the rack shelf is constructed of sturdy, cold-rolled steel for long-term durability. Backed by a StarTech.com Lifetime warranty. The StarTech.com Advantage - Rugged steel construction for durability in harsh environments