Vario64 extension bar manufactured by AV Stumpfl for use as a frame or system component in the vario64 product series. The bar has a specified length of 23 cm and is identified by manufacturer article number BVV-X023. It is not a projection surface or screen and therefore has no projection area, aspect ratio, surface gain, or video input/output functionality. The listed net and gross weight is 0.38 kg.