Mount 19" servers or networking hardware in any standard rack with these universal, adjustable depth 3U rack rails. The UNIRAILS3U 3U Fixed 19-inch Server Rack Rails (Adjustable Depth, Universal) enables you to fit non-rack mountable equipment at weight capacities up to 97kg (215lbs.) into standard 19-inch racks. Featuring sturdy, cold-rolled steel construction, adjustable depth configurations for varying rack sizes, horizontal equipment supports, and multiple mounting hole patterns to secure your equipment, this universal rack rail kit makes mounting your non-rackmount equipment quick and easy."