The Brompton suite is our most contemporary design to date, and features a textured knurled pattern. The industrial styling of the diamond effect creates a modern range of products that can be used throughout your property.Our Brompton range is forged from solid brass which emphasises the high quality materials and manufacturing techniques used. A perfect design choice for external doors with matching products available.This concealed knob set features a simple Square rose that brings a contemporary edge to a traditional design.Designed to match the rest of our Brompton door, window & cabinet furniture to create a uniform feeling throughout your home.Can be used with a multitude of heavy duty locks, latches & thumbturns for various uses within the home. We recommend using a 3", 4" or 5" latch/lock.The strength of the spring found in a heavy-duty lock/latch will ensure the knob returns to it's original position.Supplied with matching SS wood screws.Our Polished Chrome products are made from a base of solid brass coated with a durable chrome plating to give an exceedingly high-sheen finish. Favoured for its bright, bold appearance, Polished Chrome is well suited to contemporary designs and offers a smooth, mirror finish when polished. This works best if a cool, clean look is desired.Knob Size: 63mm dia. Projection: 60mm Rose Size: 63mm x 63mm x 10mm Spindle Size: 8mm (Threaded)