The VarioClip Lock extension bar from AV Stumpfl is a frame or system component for the VarioClip Lock product series. It is designed to extend or adapt the frame system and has a specified length of 78 cm. The bar is finished in black and has a net weight of 1.24 kg. It is not a projection screen or surface and therefore has no projection area, aspect ratio, surface gain, or projection type. The manufacturer article number is BCM-X078.