Raxxess ASW-20-29/12LMS - Config-u-raxx Angled Side Wing -12 Units The Config-u-raxx system is a line of components designed to meet the unique requirements of every studio workstation environment. It offers an array of desktop surfaces, side wings and shelves, as well as add-ons such as doors, racks and keyboard trays. Each component can be easily interfaced with any other component in the system, allowing for an almost endless variety of configurations. Angled Side Wings - all are steel sides sized for a 12U rack.