These Octagonal mortice/rim knobs are part of our Blacksmith range. Each one is supplied with a loose collar to allow them to be fitted flushed to the door or can alternatively be used in conjunction with a rim lock.Designed to match our Octagonal cupboard 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 Pewter Patina products are forged from a durable base of steel and boast a rich, luxurious appearance. Our manufacturing techniques create contrasting textures on the surface of the metal to create a rich appearance with an abundance of charm. This finish sits well in characterful, rustic homes, but also works as a contemporary alternative in more modern settings.Knob Size: 72mm Projection 76mm Rose Size: 87mm Spindle Size: 8mm (Threaded)