3/4″ LD-K-8 Knob — Exact period reproduction Londonderry brass knob, cast to order. This hefty 3/4″ LD-K-8 knob is an exact copy of a specific period original, faithfully reproduced in solid cast brass to match the weight, detail, and finish of the historical piece. Part of our Londonderry Knobs collection, it’s one of the finest reproductions in the world—perfect for restoration projects, historic homes, and high-end interiors that demand authenticity and enduring quality. Each knob is cast to order with meticulous attention to the original pattern; please allow roughly 4 weeks for production and dispatch (note: this is an estimated lead time, not a guaranteed ship date). Available now at $45.16. For specifications, installation guidance, or to order multiple sizes and finishes from our Londonderry Brasses line, visit the product page or contact our sales team.