Mayer Mill Dragonfly Door Knocker Color: Brass. Product Dimensions are 6 1/4" X 5" X 1" Oil Rubbed Finish. Hand Polished. This front door knocker is sand cast in solid nickel silver and polished chrome Highlighted with a brushed finish. Manufactured to the Highest Quality Available. Design is stylish and innovative. Satisfaction Ensured. Great Gift Idea