The AV Stumpfl monoblox64 middle strut is a frame or system component for a 16:9 monoblox64 projection-screen frame configuration. It is specified for a 752 × 431 cm screen format, equivalent to 24 ft 8 in × 14 ft 2 in. The component is supplied as one piece and has a gross and net weight of 6.3 kg. The manufacturer is AV Stumpfl, and the article number is BXV-XC752/MST. Country of origin is Austria.