The Lighthouse Door Knocker is sand-cast in solid Brass with Bronze highlights.The Lighthouse Door Knocker was designed by Michael Healy, an accomplished Rhode Island artisan known for his Unique Door Knockers. Lighthouses spark feelings of security and nostalgia for Michael, who grew up on the shores of Cape Cod. These midnight beacons have been used for thousands of years to guide people to safety. A symbol of both warmth and home, the Lighthouse Door Knocker is a welcome sign on any door.