ABSTRACT: RACK-1U and RACK2-1U are 19” Rack Mount Bracket Kits that are formed from 0.100 inch (2.54mm) thick steel and powder coated black. These heavy duty bracket kits are designed specifically for the Holzworth 1U high synthesizer and phase noise analyzer chassis, making for ease of installation into most standard 19-inch communications/server racks per the Electronics Industries Association standard: EIA-310-D.