The AV Stumpfl monoblox64 middle strut is a frame component designed for monoblox64 projection frames with a 16:10 aspect ratio. It is specified for frame sizes of 630 × 401 cm, equivalent to 20 ft 8 in × 13 ft 2 in. The component is not a projection screen or surface and has no projection area or video signal inputs or outputs. The manufacturer code is BXV-XW630/MST, and the net weight is 5.1 kg.