Prime-Line Satin Nickel Door Knocker and 180-Degree Viewer

Deluxe door knocker with viewer. Features a satin nickel finish. Offers a 180° view.Die-cast knocker, solid brass viewer160° viewingFits 9/16 in. Dia boreSatin nickel finishDrill and 9/16 in. drill bit required for installationLarge blade slotted head screw driver required for installation1-piece per package