Shown above with Ribbon & Reed style Oil-Rubbed Bronze rosette. Shown below with various rosette styles and finishes. Also available in 5 other finishes. Please choose desired finish from popup menu below. Also available with 9 other rosette styles. Please choose desired rosette from popup menu below. These crystal knobs are reproductions of early American designs. Each knob is hand polished and fitted to a solid brass shank. Superior quality. These sets fit standard modern pre-drilled doors or call for antique replacements. Passage, Privacy, and Patio sets include latch and strikeplate. Provided with standard 2-3/8" or 2-3/4" backset latch. Optional 5 Inch and 2 Inch backset latches are also available. We will email you with the tracking number when your order is shipped. Sets are assembled to order, allow approximately 7 working days for shipment. Emerald AstoriaRegular price: $100.00Sale price: $70.00 Rosette & Shank Finish: Polished Brass US3French Antique Brass US7Oil Rubbed Bronze US10BSatin Nickel US15Pewter US15APolished Chrome US26 Rosette Style: Standard (All Finishes)#8 Style (All Finishes)Rope (All Finishes)Ribbon & Reed (All Finishes)Oval Style (All Finishes)Rectangular Style (All Finishes)Lancaster (All Finishes)Modern (US10B, US15 or US26 Only)Disk Style (US10B, US15 or US26 Only)Square Style (US10B, US15 or US26 Only) Backset for operating sets (See below for instructions): 2 3/82 3/4 Function: Passage (Hall or Closet)Privacy (Bedroom or Bath)Pair of surface mounted dummy knobsPatio (same as privacy but no emergency release) Astoria Emerald Knob with Lancaster Rosette in Oil-Rubbed Bronze finish . Emerald Astoria with Rectangular Rosette in Oil-Rubbed Bronze . How to measure the backset of your door preparation.A standard door preparation has a 2 1/8 inch diameter hole drilled through the door. The backset is the measurement from the center of this hole to the edge of the door.