The AV Stumpfl monoblox64 middle strut is a black-anodized frame system component for 16:9 setups measuring 508 by 294 cm. It is designed for use with the monoblox64 frame system and is specified for the 16:9 configuration. The component has a net weight of 4.46 kg. It is a structural frame component rather than a projection surface or screen, and no video, projection, or connector specifications are provided.