Our decorative Prestbury mortice/rim knob sets take inspiration from classic Georgian designs, making them well suited to period properties.Our Prestbury knob sets are forged from solid bronze and hand finished by our expert craftsmen. A perfect design choice for any home, with many matching products available.Designed to match the products in our Prestbury range to create consistency throughout your home.Suitable for use with a multitude of heavy duty locks, latches, and thumbturns for various purposes .The strength of the spring used in our heavy-duty lock/latches will ensure the knob returns to its original position.We recommend using a 3", 4", or 5" latch/lock.Supplied with matching SS wood screws.Our Aged Bronze products are manufactured from solid bronze containing a minimum of 85% copper. Due to the process used to age the metal, this finish is very dark and has a rich, matt appearance. During the final stages of manufacturing, we apply a durable, matt lacquer to this finish which helps preserve its distinctive tones.Knob Size: 63mm Dia. Projection: 71mm Rose Size: 63mm Spindle Size: 8mm threaded