Vario64 extension bar measuring 20 cm, manufactured by AV Stumpfl. The component is part of the Vario64 product series and is identified by manufacturer article number BVV-X020. It is supplied as a single piece and is intended as a frame or system component rather than a projection screen or projection surface. The listed gross and net weight is 0.36 kg. No projection area, aspect ratio, surface gain, connectors, or video signal interfaces are specified.