The AV Stumpfl VarioLock64 middle strut is a 90 cm frame or system construction component with a black finish. It is supplied without studs and serves as a structural middle support for VarioLock64 systems. The component is not a projection screen or surface and therefore has no projection area. It is supplied as one piece and has a net and gross weight of 1.04 kg. Manufacturer article number: BVM-X/MST/X090.