Flower Rosette White Porcelain Door Knob Set - This uniquely constructed piece of door hardware comes in genuine white porcelain and features a flower designed rosette to give it a timeless look for any style room. Measures 2 3/8 inches in diameter (approximate) and a 3 7/16 inch rosette. 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. The double sided dummy set requires countersinking during installation for a flush mount. This particular product has a lead time of approximately 1 to 3 business days depending upon the chosen finish.