These heavy-duty door stops are constructed of spring steel wire and come in a chrome plated finish. They feature a separate mounting base and screw to allow for use of longer screws where broken baseboards are a problem. These door stops also feature flexible wire construction with a 4 inch reach, and a rubber tip to cushion and prevent unwanted damages to nearby walls. The mounting bases of these door stops have a large 7/8 inch outside diameter. Door stops like these are easy to install and used by many. Prime-Line 4-in Chrome Door Stop (5-Pack) Rubber | MP9160