2 1/4 inch Knobs 3 1/4 inch Diameter Round Solid Brass Rosettes 2 3/8 Inch Backset Included (2 3/4 inch available at request) Passage & Privacy Sets Include All Functional Hardware Needed Double Dummy Set is Non Functional Mounting Hardware Included In the late 19th and early 20th centuries, the Art Nouveau movement embraced organic forms and natural motifs, including feathers. These door sets are surface mounted. The standard backset provided is 2 3/8 inches, with the option to substitute it with a 2 3/4 inch backset at no additional if requested at time of purchase. Our polished brass has a living finish, which means it naturally darkens and ages over time. If you order multiple pieces in polished brass, there might be slight variations in finish and tone initially. Other finishes won't darken or tarnish. For a lasting shiny polished brass finish, you can request a custom lacquered brass finish by emailing us. All measurements are approximate. This product has a processing time of about 1 to 2 business days before it is shipped. ** Standard backset is 2 3/8". If you require a 2 3/4" backset, please request it in the "Reference Notes" section in your cart before checkout. **