AV Stumpfl monoblox64 middle strut for 21:9 frame systems. The component is manufactured from black anodized material and is intended for a 386 × 174 cm frame, corresponding to 12'8" × 5'9". It is supplied as an individual piece and has a net weight of 4.46 kg. The item is a structural frame component rather than a projection screen or surface and does not have video signal, optical, or projection specifications.