The Carlisle Brass Ice Standard Escutcheon Polished Chrome has a 45mm diameter. This is to be used with a 3 or 5 lever mortice deadlock or sashlock; some of these can be found in the related products or in the Hinges, Locks & Latches category. This escutcheon is made from solid brass. It has a polished chrome finish which is to match the Carlisle Brass Ice door handles on rose. It is also in three different finishes: Florentine bronze Polished brass Satin chrome Some of these other variations can be found in the related products.