The Delamain DK1 Euro Escutcheon Polished Chrome has a 55mm diameter. This is to be used with a euro profile deadlock and cylinder; 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 Delamain door handles and knobs on rose.  It is also available in three different finishes: Florentine bronze Polished brass Satin chrome Some of these other variations can be found in the related products.