AV Stumpfl AT64-SHIFT right extension measuring 107 cm, intended for the 63–76 configuration range. The extension is supplied as a single piece and has a net weight of 1.7515 kg. It belongs to the Shift product series and is identified by manufacturer article number BFZ-FST/AT64S/1067R2. No projection, video signal, connector, or screen-surface specifications are provided.