4 3/8 Inch Solid Brass Doorbell Button with Beveled Arched Rosette Finish:Polished Chrome 9 mm) and it has

9 mm) and it has a projection of 4 inches (102 mm)

1 1/4 Inch Offset Mount

Available Finishes: Flat Black

7 Inch Tall Heritage Style Door Knocker (Chrome Finish) - measures 7 inches tall and 3 1/2 inches wide

4 3/8 Inch Solid Brass Doorbell Button with Beveled Arched Rosette Finish:Polished Chrome 9 mm) and it has4 3 8 Inch Solid Brass Doorbell Button with Beveled Arched Rosette 4 3 8 Inches Tall 2 9 16 Inches Wide Satin Nickel, Venetian Bronze, Polished Brass, French Antique, Pewter, Matte Black, and Polished Chrome Finishes Available Comes Complete With Matching Screws and Lighted Buttons Usually Ships In 3 to 5 Business Days Hardware Included Yes Sold As Individually Architectural Style Traditional Warranty 5 Year Limited 4 3 8 Inch Solid Brass Doorbell