Monoblox64 top bar in black for the AV Stumpfl monoblox64 frame system. The component has a specified width of 630 cm (20 ft 8 in) and is identified by manufacturer article number BXW-XN630/T. It is supplied as a single piece and has a gross and net weight of 10.36 kg. The product is a frame or system component and does not constitute a projection screen or projection surface.