The AV Stumpfl VarioClip Lock middle strut is a bottom frame or system component for the VarioClip Lock product series. It is supplied with M8 rivet nuts for integration into the corresponding frame system. The component has a gross and net weight of 1.42 kg. It is identified by manufacturer article number BCL-X/MST/UT and is manufactured in Austria. No projection surface, screen dimensions, video inputs, or video outputs are specified.