Architrac 9046 Series can br ordered as a finished product, or you can select the end caps, master carrier and slides of your choice. Assemble is simple and this is a hand draw curtain rod. It is also available in four finished, white, anodized, black or bronze. Maximum length is sixteen feet, but you can join two together for a two way draw for a wopping thirty-two feet span. BasicQ does offer a corner bend with cust angle selection for bay windows or corner windows. This has to be connected with splice for the 9046 track, but it accomplishes the corner or bay windows that are out ther needing a drapery solution. The 9046 is designed for ceiling mounting or recessed ceiling mounting.