3/8″ LD-K-11 Knob — an exact copy of a specific period original, faithfully reproduced for authentic restoration and high-end interiors. Cast in solid brass from the original pattern, this Londonderry Brasses knob delivers the heft, patina potential, and tactile presence of a genuine antique. Each piece is finished to highlight the crisp detail and timeworn character of the original design, making it one of the finest reproductions in the world for door and furniture hardware. These knobs are cast to order to ensure museum-grade accuracy and consistent quality; please allow roughly 4 weeks for production (this is an approximate lead time, not a guaranteed ship date). Ideal for restorations, period homes, and discerning craftsmen, the 3/8″ LD-K-11 Knob brings historic authenticity and lasting durability to every application.