The From the Anvil Beehive Mortice/Rim Door Knob Set Antique Brass has hollow knobs and the roses are detachable enabling it to be used with a rim lock or mortice lock/latch. The knobs measure at 67mm x 54mm with 57mm roses and project 67mm from the door. The set comes complete with two knobs, threaded spindle and fixings. Antique Brass Door Knobs The door knobs have an antique brass finish - this finish has been treated to speed up the natural tarnishing process which produces the antique look. It is burnished making it smooth in appearance and is un-lacquered. It will tarnish naturally ove...