Door Knockers Antique Brass Kissing Cherubs Door Knocker 4 3/4 Door Knockers that make a great first impression. Select your Door Knockers here today. Door Knocker. Step-up your curb appeal and make your entrance a knockout! Overall 4 3/4 H x 2 3/4 W. Tarnish resistant Antique Brass finish Low - maintenance hardware 100% HEAVY cast brass