The AV Stumpfl monoblox64 middle strut is a frame component for constructing a 21:9 projection frame with an overall size of 752 × 328 cm. It is identified by article number BXV-XU752/MST and belongs to the monoblox64 product series. The component is supplied as one piece and has a gross and net weight of 4.6 kg. It is not a screen or projection surface and has no projection area or surface gain.