The AV Stumpfl VarioClip Lock extension bar is a frame or system component for the VarioClip Lock product series. It has a specified length of 78 cm and a net and gross weight of 1.24 kg. The product is supplied as one piece and is identified by manufacturer article number BCL-X078. It is manufactured by AV Stumpfl, with Austria listed as the country of origin. No projection surface, projection area, video signal interfaces, or screen dimensions are specified.