More about 4 1/2"W x 2 1/2"D x 8"H Michael Healy Fir Tree Door Knocker, Brass and Bronze... Michael Healy's Fir Tree Door Knocker is made of solid brass and bronze. A detailed carving used to create the fir tree mold results in the accurate depiction of this lush evergreen tree, loved for its bright green foliage that thrives year round. For many the fir tree is also a symbol of the holiday season. Now you can accent your door with this 4 1/2" x 8" Fir Tree Door Knocker. The branches are crafted in bright brass, which is polished to a rich golden shine. The tree trunk is made of bronze with a dark patina with contrasting red undertones. This creative door knocker is crafted with precision, and will give you years of use and enjoyment.