Traditional Rosette Door Set with Egg & Dart Door Knobs (Several Finishes Available)2 inch Diameter Egg & Dart Pattern Knobs 2 1 2 inch Diameter Round Solid Brass Rosettes 2 3 8 Inch Backset Included (2 3 4 inch available at request) Fits Standard 1 3 8 inch Door Thickness Mounting Hardware Included Glass doorknobs originated in the early 19th century and gained widespread popularity in the late 1800s and early 1900s, particularly in the United States and Europe. Brass has been a popular choice for door hardware for centuries, prized