AV Stumpfl AT64-SHIFT extension for the left side of the screen system. The extension is 107 cm long and finished in black. It is intended for use with the AT64-SHIFT product series and is supplied as an individual piece. The manufacturer identifies the item as article BFZ-FST/B/64S/1067L3. Net and gross weight are both specified as 1.7515 kg. No projection area, aspect ratio, projection type, connectors or included accessories are stated.