A Vario64 middle strut bottom component manufactured by AV Stumpfl for use in Vario64 frame or system constructions. The component is supplied with M8 rivet nuts and without studs. It is not a projection surface or screen and has no stated video signal, input, output, connector, or dimensional specifications. The manufacturer article number is BVV-X/MST/UT, and the listed gross and net weight is 1.34 kg.