Our Mushroom mortice/rim knob sets have a smooth and versatile exterior suitable for traditional and contemporary settings alike.Our Mushroom 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 our Mushroom cabinet knobs 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: 49mm Dia Projection: 49mm Rose Size: 51mm Spindle Size: 8mm (Threaded)