Defender Security U 10327 Door Knocker & Viewer, 9/16 in. Bore, 180-Degree View Angle, Satin Nickel - -

Defender Security U 10366 Deluxe Door Knocker, Satin Nickel - -

55-2117 BZ COL DOOR KNOCKER FINISH:CLASSIC BRONZE - -

Atlas Homewares DK644-O 5.38-Inch Mission Door Knocker, Aged Bronze - -

Baldwin 0103112 Colonial Door Knocker, Aged Bronze - -

Humpback Whale Tail Door Knocker - Oiled Bronze (Premium Size) - -

Stylish and Convenient 103 Collection Colonial Style Metal Door Knocker (Oil Rubbed Bronze) - -

Oil Rubbed Bronze 7" Inch Traditional Door Knocker w/ Viewer : 55-2158 - Door Knocker With Viewer -

Deltana DK7356U10B Victorian Design and 6 1/4-Inch Center to Center Door Knocker - -