The ADJSHELF Adjustable Depth Fixed Server Rack Cabinet Shelf offers a simple way to effectively organize mission critical computer hardware in your server racks and cabinets. Compatible with all 19in (wide) server racks/cabinets, the fixed rack shelf can be adjusted from 19in to 38in (depth) as necessary. A sturdy cold-rolled steel construction provides long term durability and enables a weight capacity of up to 175 lbs (80 kg). Backed by a StarTech.com 2-year warranty. Adjustable and sturdy design allows up to 110lbs of equipment to be stored on a single 1U shelf. Rugged steel construction for durability in harsh environments. For use with all 19 wide Server Racks and Cabinets. Supply additional storage space for mission critical hardware.