The AV Stumpfl MonoClip middle strut is a frame component for 16:9 screen constructions measuring 447 x 260 cm. It is designed as a central support element within the MonoClip system and is identified by manufacturer article number BMV-XC447/MST. The component has a net weight of 4.6 kg and is supplied as one piece. No projection surface, signal interfaces, video inputs, or video outputs are specified for this component.