The AV Stumpfl VarioLock64 middle strut is a frame or system component measuring 80 cm in length. This version is supplied in black and is specified without studs or push buttons. It is identified by manufacturer article number BVM-X/MST/X080 and has a gross and net weight of 0.91 kg. The component belongs to the VarioLock64 product series and is not a projection screen or screen surface; therefore, projection dimensions and signal connections are not specified.