The CABSHELFHD 2U 18in Depth Heavy Duty Fixed Rack Mount Shelf lets you add a high-capacity 2U shelf to virtually any standard 19-inch server rack or cabinet with front mount options. This high-capacity server rack shelf is constructed using 2.3mm SPCC commercial grade cold-rolled steel, providing the additional strength required to hold up to 56kg (125lbs) of equipment - a perfect solution for storing larger, non-rackmount pieces of equipment, heavy tools or peripherals in your rack or cabinet. Backed by a StarTech.com Lifetime warranty. Heavy duty server rack shelf provides the ability to hold up to 56kg (125lbs) of equipment. Universal 19 rack design makes it simple to add a storage shelf to almost any rack or cabinet. Durable steel construction holds up to even the harshest industrial environments. Supply additional storage space for heavy, mission critical hardware and non-rack mount equipment. For use with all 19 wide Server Racks and Cabinets.