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.Can be used with a multitude of heavy duty locks, latches & thumbturns for various uses within the home.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 Polished Bronze products are made from solid bronze containing a minimum of 85% copper. This finish is aged and then subsequently re-polished by hand to highlight the lighter surface areas against the darker, detailed parts. During the final stages of manufacturing, we apply a robust lacquer which helps preserve this bright contrast.Knob Size: Ø51mm Projection: 49mm Rose Size: 51mm Spindle Size: 8mm (Threaded)