The Carlisle Brass Doctor Door Knocker Polished Chrome has a classic design and would look wonderful on any front door. It was traditionally used to identify a doctor’s door, hence the name and has been crafted by the experts at Carlisle Brass. This knocker is made from solid brass and has a polished chrome finish. Just a light dusting with a soft cloth and removal of dirty deposits with a mild solution of soap and water will retain its good looks.  Other Variations The knocker is also available in the following finishes: PVD brass Florentine bronze Satin Chrome ...