The AV Stumpfl monoblox64 middle strut is a frame or system component designed for a 21:9 monoblox64 configuration measuring 630 x 277 cm (20 ft 8 in x 9 ft 1 in). It is supplied as one piece and has a gross and net weight of 4.6 kg. The component is not a screen or projection surface and therefore has no projection area or surface-gain specification. Its article number is BXV-XU630/MST.