The AV Stumpfl VarioClip Lock middle strut is a black frame or system component for the VarioClip Lock product series. The strut has a specified length of 110 cm and is supplied as one piece. Its gross and net weight are both 1.18 kg. The manufacturer article number is BCM-X/MST/X110. No projection, screen-surface, video signal, connector, or additional dimensional specifications are provided.