This stylish door knob set is constructed from elegant crystal and measures 2 1/4 inches overall. Includes a 2 1/2 inch projection and comes complete with a disk rosette. This knob set with fit any door thickness between a standard 1 3/8 inch to a 2 1/4 inch thick. Comes complete with the functioning hardware and a 2 3/8 inch backset is standard. A 2 3/4 inch backset is also available upon request. This particular product has a lead time of approximately 3 to 5 business days.