The AV Stumpfl Vario64 horizontal strut screwing module is a frame or system component for the Vario64 series. It is identified by manufacturer article number BVV-X/HST/VM/X and supplied as one piece. The source listing describes it as a horizontal strut screwing module, but does not specify its nominal length, dimensions, weight, connectors, included accessories, or optional accessories. It is not a projection surface or screen.