The AV Stumpfl Monoblox64 left vertical module is a frame or system component for constructing a 4:3 projection frame sized 386 x 294 cm (12 ft 8 in x 9 ft 8 in). It is designated as the left vertical module and is not a projection screen or projection surface. The component has a gross and net weight of 2.2 kg and is identified by article number BXV-XV386/VML.