The From the Anvil Beehive Mortice/Rim Door Knob Set Polished Nickel has hollow knobs and the roses are detachable enabling it to be used with a rim lock or mortice lock/latch. The knob diameter is 50mm with 51mm roses and projects 64mm from the door. The set comes complete with two knobs, threaded spindle and fixings. Polished Nickel Door Knobs The door knobs are hollow and have a polished nickel plated finish .   This is an unlacquered finish which makes it a long-lasting, robust finish that should not tarnish.  For best results, the centre of the knob should be a minimum of...