Arts and Crafts "Hammered Pattern" door knob backplate with keyhole. This hammered copper backplate has an oil-rubbed bronze finish and measures 8" tall by 2 1/2" wide and 3/32" thick. The inside diameter of the door knob collar is 3/4" in diameter and the center to center measurement from the collar to the round part of the keyhole is a standard 2 1/4".
How do I know what door knobs will work with a particular rosette or door plate? The knob shank diameter should be a little less than the inside collar diameter on the rosette. Learn about hardware >