AV Stumpfl VarioClip extension bar for frame or system applications. This black extension bar belongs to the VarioClip product series, has a length of 39 cm, and is identified by article number BCW-X039. Its listed net and gross weight is 1.06 kg. The available information does not specify video inputs, video outputs, connectors, projection dimensions, included accessories, optional accessories, or officially documented compatibility with other products.