The AV Stumpfl Vario32 enlargement Standard/extension bars are frame or system components for extending the Vario32 system. The product is supplied as standard/extension bars under article number BVS-X-EXT/32. It is not a projection screen or surface and therefore has no projection area, aspect ratio, projection type or surface gain specification. The listed unit is one piece. No dimensions, connectors, included accessories or optional accessories are specified.