Monoblox64 middle strut for 4:3 systems measuring 508 × 386 cm. This frame component is manufactured by AV Stumpfl and belongs to the monoblox64 product series. It is intended as a middle support strut for the specified screen system and is supplied as one piece. The product has a net weight of 5.84 kg. No projection surface, video inputs, video outputs, connectors, or projection lens compatibility are specified because this is a frame or system component.