The AV Stumpfl MonoClip middle strut is a structural component for a MonoClip 4:3 frame or system configured for a 630 x 477 cm screen size. It is supplied as one piece and identified by article number BMV-XV630/MST. The component is not a projection surface or screen and therefore has no projection area, gain, video inputs, video outputs, or signal-processing functions. Its stated net weight is 6.3 kg.