Prime-Line Door Knocker and Viewer S 4235

Used on entry doors to provide privacy while viewing from inside the home, and also as a decorative door knocker for visitors. Each requires a 9/16 in. Dia installation hole, designed to install on 1-3/8 in. to 1-3/4 in. thick doors. Total height is 5-1/2 in., has an antique brass finish, and has a diecast construction.