2 Post Server Rack Shelf Up to 75 lb The2 postserver rack shelfallows you to add a high capacity mid-mount fixed shelf to almost any standard 2 post server rack. EIA 310Compliant Our2u rack shelfis EIA 310 compliant meaning it can fit most standard 19'' 2 post racks.The included mounting brackets can be adjusted to accommodate different post depths, making thiscentre mount rack shelfa universal solution for 2 post rack storage,while the vented design helps to improve airflow in the rack. Solid SteelConstruction Constructed using SPCC commercial grade cold-rolled steel, this durable2 post network rack shelfcan hold up to 75 lb.(34 kg) of equipment - a perfect solution for storing non-rackmount equipment, tools, peripherals or accessories in your rack to keep them readily accessible. Backed by a StarTech.com Lifetime warranty and free lifetime technical support