Cast Iron Dolphin Door Knocker with Antique Verdigris Finish Dolphin Door Knocker makes beautiful coastal beach decor to hang on your front door Made from cast iron with an antiqued verdigris finish, this dolphin door knocker is beautiful Weighing nearly 3 lbs, you'll be sure to hear your friends and family knocking on your door Door knocker measures 7" long by 3 1/4" wide, and protrudes from the door 3 1/2" Ships brand new and makes a great addition to a coastal home, beach house, or nautical themed home