The AV Stumpfl VarioClip extension bar is a black frame or system component designed for use with the VarioClip product series. It has a length of 29 cm and is supplied as an individual piece. The component is not a projection screen or surface and therefore has no projection area, aspect ratio, projection type, or surface gain specification. Its article number is BCW-X029, and its gross and net weight are both 0.3 kg.