The Frelan Hardware JV Concealed Standard Key Escutcheon in Dual Chrome is circular & has a 50mm diameter. If you have a mortice sash lock or mortice dead lock in your door then you will need a pair of escutcheons for each door, one for each side. Simply fix them to the door to cover up the unsightly keyhole cutouts for a clean, neat finish. This standard key escutcheon is made from solid brass & has a dual polished & satin chrome finish. It is a perfect match for many of the Frelan Hardware door handles on rose & door knobs on rose. Standard Key Escutcheon Fi...