AV Stumpfl Monoblox64 bottom frame bar for constructing the Monoblox64 frame system. The bar has a specified width of 752 cm (24 ft 8 in) and is identified by manufacturer article number BXV-XN752/B. It is supplied as a frame or system component rather than as a projection screen or surface. The listed net and gross weight is 11.6 kg. Country of origin is Austria.