Art Deco Oval Door Knob & Backplate - Traditional oval knob measures 2 1/3 inch tall by 1 1/3 inch wide with a projection of 2 1/2 inch. Oval backplate measures 10 1/2 inch tall and 2 5/8 inch wide. The dummy door knob is a fixed knob with double rosettes and is commonly used on French-style or bi-fold doors.This knob set with fit any door thickness between a standard 1 3/8 inch to a 2 1/4 inch thick. This door knob set is available in several finishes and functions. Passage (Hall/Closet) and Privacy (Bed/Bath) sets come complete with the functioning hardware and a 2 3/8 inch back-set is standard. A 2 3/4 inch back-set is also available upon request. This particular product has a lead time of approximately 3 to 5 business days.