Cast iron door knocker Brittenburg.
Stylish classic knocker made of solid black lacquered iron gives your front door a beautiful rural look. This decorative knocker is attached to the inside of the door with the supplied bolts.
Product information:
Diameter bolts M6. Length 60 mm.
Dimensions: 200 mm x 80 mm.
Material: cast iron. 
Weight: 700 gram.