Control unit for a mounting diameter of 22.3 mm. With their chrome-plated front bezels, the proven RONDEX series control units from Schlegel are radiating new brilliance. The stepped transition from dark plastic to bright metal evokes an exciting contrast to the circular shape of the unit, appearing more elegant and flatter. As a result, this very classic series is now also suitable for more unusual, visually demanding applications. The color of the plastic components can be customized, resulting in countless design options for instrument panels.