The From the Anvil Octagonal Centre Door Knob Pewter is fitted to the external face of the door - it is used to assist in pulling the door closed. The knob size is 80mm, the rose diameter is 95mm and the projection is 80mm. The centre door knob is sold individually and comes complete with fixings. Pewter Centre Door Knob The knob has a pewter patina finish - this has anti-corrosion properties and can be used internally or externally. To remove dirt deposits, simply wipe over with a lightly oiled cloth from time-to-time and this will restore it to its original condition. Do not use any form o...