The Frelan Hardware JV33 Octagonal Centre Door Knob Polished Brass is a substantial knob which is 70mm diameter sitting on an 85mm diameter rose, it projects 80mm and will make a bold statement on any front door. A single threaded bolt attaches the knob to the door and the backing rose has a retaining pip to stop it rotating. The knob is made from brass and the polished brass finish is polished to a high shine and then coated in a hardwearing clear lacquer. This lacquer will protect the brass from pollution and external conditions. However, a little tender loving care will ensu...