The AV Stumpfl monoblox64 middle strut is a frame component for monoblox64 projection-screen frame assemblies. It is specified for a 16:10 format and a compatible frame size of 447 x 287 cm. The component is supplied as one piece and has a net weight of 4.2 kg. It is identified by article number BXV-XW447/MST. No projection surface, projection area, connectors, or video signal interfaces are specified.