The AV Stumpfl MonoClip middle strut is a frame component for MonoClip screen systems. It is intended for a 21:9 configuration with a compatible screen size of 325 × 149 cm, equivalent to 10 ft 8 in × 4 ft 11 in. The supplied unit consists of one middle strut and has a net weight of 1.1 kg. The manufacturer article number is BMV-XU325/MST, and the country of origin is Austria.