7/16″ LD-K-7 Knob — an exact copy of a specific period original, faithfully reproduced in solid cast brass for authentic weight and finish. Part of our Londonderry Brasses collection, this hefty interior knob delivers the look and feel of true antique hardware while fitting modern needs. Each piece captures the original’s profile and detailing, making it perfect for historic restorations, period homes, or anyone who values genuine, museum-quality finishes. These are the finest reproductions in the world, cast to order to ensure consistent quality and attention to detail. Lead time is roughly 4 weeks (this is an estimate, not a guaranteed ship date). Order your LD-K-7 knob today for an heirloom-quality brass hardware solution that blends history, durability, and authenticity.