The AV Stumpfl MonoClip middle strut is a frame or system component for a 16:9 MonoClip projection system. It is specified for systems measuring 569 x 329 cm, corresponding to 18 ft 8 in x 10 ft 9.5 in. The component is supplied as one piece and has a gross and net weight of 1.0 kg. It is not a projection surface or screen and therefore has no projection area or surface gain specification.