The From the Anvil Brockworth Mortice Door Knob Set Polished Nickel features a stunning beaded design and is unsprung for use with mortice latches. The knobs measure at 48mm with 58mm roses and projects 70mm from the door. The set comes complete with two knobs, spindle and fixings. Polished Nickel Door Knobs The door knobs have a polished nickel finish and can be used internally or externally. The highly polished nickel plating is applied to the solid brass and is unlacquered as it will not tarnish.