The Carlisle Brass Standard Escutcheon Satin 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 satin chrome finish which is to match the Carlisle Brass door handles & knobs on rose. It is also available in two different finishes: Polished brass Polished chrome Some of these other variations can be found in the related products.