The AV Stumpfl Vario64 middle strut, bottom bolted, is a frame or system component for the Vario64 product series. It is designed for use as the lower middle strut within a Vario64 frame system and is supplied with the required bolted connection. The component has a gross and net weight of 1.34 kg. Manufacturer article number BVV-Y/MST/UT. Country of origin is Austria.