The AV Stumpfl VarioClip Lock middle strut is a bottom-position frame or system component in black finish. It is supplied with M8 rivet nuts and identified by article number BCM-X/MST/UT. The component belongs to the VarioClip Lock product series and is supplied as one piece. Its net weight is 1.34 kg. No projection surface, projection area, video signal interfaces, or dimensional specifications are provided.