Oil Rubbed Bronze Door Knocker. Knock, knock! Once a sign of their homeowner’s profession, door knockers now come in a variety of designs & finishes for everyone’s style. Step-up your curb appeal & add value to your home with finishing touches like a knocker. Polished & lacquered to prevent tarnishing. This knocker is both beautiful & functional. Easy installation and measures 6.5 in. H x 3 in. W.