The VarioLock64 extension bar is a frame or system component manufactured by AV Stumpfl for use with VarioLock64 applications. It has a length of 40 cm, a black finish and a net weight of 0.7 kg. The product is supplied as one piece and is identified by manufacturer article number BVM-X040. It is not a projection screen or surface, and no video signal connections or projection dimensions are specified.