Hollywood Regency Black Porcelain Door Knob Set - The Golden Age of Hollywood returns in the form of door hardware with this very stylish door knob set. The black porcelain knob along with the intricately designed rosette makes for a terrific addition to any style room. This door knob measures 2 1/4 inches in diameter (approximate) and features a rosette measuring 3 7/16 inches in diameter. This knob set will fit a standard door thickness of 1 3/8 inch. 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 1 to 3 business days depending upon the chosen finish.