The AV Stumpfl monoblox64 middle strut is a frame or system component for a 16:9 monoblox64 projection frame. It is intended to provide central support within a frame measuring 569 × 329 cm (18 ft 8 in × 10 ft 9.5 in). The component is supplied as one piece and has a net weight of 4.5 kg. No projection surface, video inputs, video outputs, or connector specifications are provided.