The AV Stumpfl MonoClip middle strut is a frame or system component for a 16:9 MonoClip configuration sized 691 x 397 cm (22'8" x 13'). It is identified by manufacturer article number BMV-XC691/MST and is supplied as one piece. The component has a net weight of 5.5 kg and is manufactured in Austria. No projection surface, projection area, video signal connections, or electronic functions are specified.