The goods were delivered quickly and flawlessly. Stood in the description that the window assembly is possible. However, unfortunately, was not there, that I would have to drill for window mounting in the window frame. An indication that no accessories are supplied to pin the blind at the window, would have been helpful. Which owner is nowadays already agree that you something purely screwed into the window frame ??? The necessary equipment for 4 blinds has now again 27, me - tasted.