The AV Stumpfl AT64-SHIFT extension is a right-hand extension component for the AT64-SHIFT system. It has a length of 107 cm, a black finish, and is specified for the 21–62 configuration range. The product belongs to the shift series and is supplied as an individual piece. Its manufacturer article number is BFZ-FST/B/64S/1067R1, and its stated net weight is 1.7515 kg. No projection area, video signal interfaces, or additional accessories are specified.