Tuff Stuff Brass Plated Die Cast Dummy Rim Cylinder 1-3/4" Diameter, ideal for filling in a hole where a rim lock was removed. This dummy rim is made out of die cast metal with a brass plated finish, it has a 1-3/4" diameter, and it fits on doors up to 1-1/2" thick. This dummy cylinder is quick and easy to install, just align the plates where you want to cover the hole, and tighten the screw with a screw driver.