The Vario64 extension bar is an AV Stumpfl frame or system component for the Vario64 product series. It has a length of 50 cm, a black finish and a net weight of 0.75 kg. The individual bar is identified by manufacturer article number BVW-X050. It is intended for use with Vario64 systems; no video interfaces, projection surface, lenses or included accessories are specified.