The Best Fluted Depression Crystal Door Knob Set. A Duplicate of the Early American Classic, Now Custom Made for Modern-drilled Doors. The Very Finest Time-tested Hardware with Many Exclusive Enhancements (Polished Chrome) (Privacy 2-3/8&rdquo;) GENUINE Crystal Glass Knobs 2 inch diameter ROSETTES Made from Q1 Solid Brass Castings -- Not Lower Quality Plated Steel BACKSET: When in doubt, order the 2-3/8 backset. (we offer free exchange if necessary.) ENGINEERED with exclusive improvements by family owned business GUARANTEED Satisfaction, friendly customer service via email and phone