AV Stumpfl monoblox64 middle strut for 21:9 screen systems measuring 752 × 328 cm. The component is finished in black anodized material and is designed as a central support element for the monoblox64 frame system. It is supplied as an individual piece and is identified by manufacturer article number BXW-XU752/MST. The product is a frame or system component, not a projection screen or surface, and therefore has no projection area or video signal functionality.