AV Stumpfl AT64-SHIFT legs in black are supplied as a pair for the AT64-SHIFT frame or system. The product is a frame or system component rather than a projection screen or projection surface. It is identified by manufacturer AV Stumpfl and article number BFZ-FST/B/AT64S. The listed net weight is 30.0164 kg. No projection format, screen dimensions, video inputs, video outputs, connectors, or lens compatibility are specified.