The Fortessa Square Standard Escutcheon Polished Chrome measures at 52mm x 52mm. 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 zinc alloy and has a polished chrome finish - it is to match the Arc handle in the Fortessa range. Other Variations It is also available in a dual chrome or dual chrome/nickel finish and some of these can be found in the related products.