Nostalgic Warehouse BN10-CLAEAD-AB Classic Rosette with Egg and Dart Knob Passage, Antique Brass Traditional mounting for vintage or new doors. Complete set including Latch 2 3/8 inch standard back set. Coordinates with Nostalgic Warehouse's Premium Grandeur line Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch Mortise lock versions available for vintage doors 3-Year mechanical and finish Warranty Forged Brass Classic Egg and Dart Style Knob Full 3-Year Warranty Antique Brass Finish Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch