The CABSHELF1U 1U (Black) Universal Fixed Server Rack Cabinet Shelf lets you add a compact fixed storage shelf to any standard 19-inch server rack or cabinet with front mount options. Constructed using SPCC commercial grade cold-rolled steel, this durable fixed rack shelf can hold up to 15kg (33lbs) of equipment - a perfect solution for storing small form non-rackmount equipment, tools, peripherals or accessories in your rack, to keep them readily accessible. Backed by a StarTech.com Lifetime warranty. Very compact form factor makes it ideal for any wallmount server rack, and even network switching racks. 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. Adding a storage shelf to shallow depth network switches/equipment racks. Supply additional storage space for mission critical hardware and non-rack mount equipment. For use with all 19 wide Server Racks and Cabinets.