AV Stumpfl Inline ceiling brackets are supplied as a pair for mounting compatible Inline projection screen systems from above. The brackets have a stated length of 20 cm, while the listed case dimensions are 12.5 × 12 cm. The product is identified by manufacturer article number BIZ-AHID2/125 and has a net weight of 1.5 kg. No video signal connections, projection surface, or screen dimensions are specified for this frame or system component.