AV Stumpfl Drape Kit Wing Bars are frame or system components for the AV Stumpfl drape kit series. This product consists of one pair of wing bars, each measuring 77 cm (30-5/16 in). The bars are supplied as a pair and are identified by manufacturer article number BDX-XW077. They are not projection surfaces or screens and therefore have no projection area, aspect ratio, or surface gain specification. The product has a gross and net weight of 1.0 kg.