Craftsman Style Door Bell In Solid Brass (Polished Brass Finish). Measures 2 1/4 Inches tall by 1 Inch wide. The center to center mounting distance is approximately 1 5/8 inches. Finishes Available: Polished Brass, Antique Brass, and Oil Rubbed Bronze. Direct screw mount and connects on normal door bell voltage with two common wires. These door bells come as natural unlacquered Brass and will patina over time. A high strength lacquer coating can be applied upon request to protect the natural bright finish.