The From the Anvil Large Octagonal Mortice/Rim Door Knob Set Pewter has two loose roses enabling it to be used with a rim lock or mortice lock/latch. The knobs measure at 70mm with 87mm roses and project 78mm from the door. The set comes complete with two knobs, two escutcheons, threaded spindles (for various door thicknesses - up to 60mm) and fixings. Pewter Door Knobs The door knobs have 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 r...