The AV Stumpfl VarioLock64 extension bar is a frame or system component for the VarioLock64 series. It is designed to extend or configure the VarioLock64 frame system and has a specified length of 58 cm. The component has a net weight of 0.83 kg and is supplied as one piece. Manufacturer article number BVL-X058 identifies this extension bar. No projection surface, video connections or signal-processing functions are specified.