The AV Stumpfl AT64-SHIFT extension is a left-sided extension component for the AT64-SHIFT system. This version has a specified length of 107 cm and is identified by manufacturer article number BFZ-FST/AT64S/1067L3. Its net and gross weight are both specified as 1.7515 kg. The available product information does not specify a projection surface, video signal interfaces, connectors, or included accessories.