The AV Stumpfl Vario64 enlargement Standard/extension bars are frame or system components intended for expanding a Vario64 system. The product is supplied as individual pieces and is identified by article number BVV-X-EXT/64. It is manufactured by AV Stumpfl, has country of origin Austria, and is listed under customs tariff number 9010 60 00. No projection surface, projection area, video signal interface, or dimensional data is specified.