Monoblox64 top bar in black, manufactured by AV Stumpfl for the Monoblox64 frame system. The component has a specified width of 508 cm and a gross and net weight of 8.46 kg. It is a frame or system component rather than a projection screen or surface and therefore has no projection area, projection type, aspect ratio, or surface gain specification. Manufacturer article number: BXW-XN508/T.