Nostalgic Warehouse BN40-CLACRY-OB Classic Rosette with Crystal Knob Privacy, Oil Rubbed Bronze 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 Genuine Lead Crystal Knob Full 3-Year Warranty Oil-Rubbed Bronze Finish is "living" and will wear with use over time Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch