The Scallop Door Knocker is cast in solid brass- Brass and bronze are copperbased alloys- The yellow brass alloy used in many of Michaels designs contains 70 copper and produces a warm, traditional brass look- Red bronze contains almost 85 copper- This additional copper content gives the bronze alloy its rich, reddish undertone- The mirrored finish of polished brass and polished bronze is achieved through varying degrees of sanding and buffing- Michael uses these techniques to highlight or accent the raised areas on a piece- The Scallop Shell Door Knocker was designed by Michael Healy, an accomplished Rhode Island artisan- Michael grew up on Cape Cod and has happy memories of his youth spent combing the shoreline- A shell as large and pristine as your Scallop Door Knocker would have been quite a find-Specifications- Material Brass- Mounting screw center to center distance 3 12- Dimensions 6 H x 2 W x 6 L SKU: MCHD012