The AV Stumpfl monoblox64 middle strut is a black-anodized frame or system component for monoblox64 screen frames. It is specified for 21:9 configurations measuring 569 × 252 cm (18 ft 8 in × 8 ft 3 in). The component is supplied as one piece and has a net weight of 4.46 kg. It is not a projection surface or screen and therefore has no projection area, video inputs, video outputs, or video connectors.