Accessories for Smith System Planner TablesOptional accessories fit Smith System Lab Planners and Workstations to make your space more efficient. Black keyboard shelf measures 22W x 17"D and is designed for 30"D workstations.Black steel CPU holder measures 16H x 7W x 14"D and is also designed to be used with 30"D workstations.Six-outlet power strip (part number 17081) features a 4ft. long power cord, long enough to place out of the way without any pull or strain.