Fluted Crystal Glass Passage & OIL Rubbed Bronze Door Knob Sets for Modern Doors+includes Our New Secure Set Screw System and handmade wood adapters to fit almost any door with standard backset by Rousso's Reproduction Old Fashion customer service-set willinclud our phone number Adjustable latch will fit 2-3/8 backset (or you may request 2-3/4" backset if needed) Plus info for secure set screws to keep your sets trouble free. All sets are assembled and tested in the USA Guaranteed to your satisfaction, Unconditionally