Made for modern doors - Victorian hardware and furniture is characterized by a blending of different styles that range from simple to elaborate. This door knob captures that style by combining the beauty of black porcelain with an ornate Victorian back plate. The knob measures 2 inches in diameter with a 4 1/2 inch by 2 1/4 inch back plate, blending form, style and function. It is a throwback to another spectacular era but fits a modern door 2 1/8 bore hole. 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.