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. Designed to match the rest of our Brompton door, window & cabinet furniture to create a uniform feeling throughout your home. The strength of the spring found in a heavy-duty lock/latch will ensure the knob returns to it's original position. This concealed knob set features a Plain rose that brings a contemporary edge to a traditional design. Knob Size: 63mm dia. Projection: 60mm Rose Size: 63mm dia. x 8mm Spindle Size: 8mm (Threaded)