These bottom rail end caps fit Kirsch Medallion horizontal 1″ mini blinds.
These caps fit around the ends of the bottom rail and have pre-drilled holes to work with hold down brackets. The bottom rail they fit on measures 7/16″ in height and 13/16″ in width.
Plastic. Sold individually.
This part is discontinued and no longer made. They are new parts, but old stock. These caps are available in a variety of colors and in limited quantities.