The Corbin Russwin 704F66 ED4000/5000 Series End Cap is their newer impact resistant cover. The package ships with the End Cap, Bracket and Mounting Screws. The new bracket my not fit your existing holes, but this end cap is a substantial improvement over the previous versions. Our image shows the Stainless Steel version. This end cap is known as the 704F66 for Corbin Russwin, and ECK7 for the Yale version.