The Excel Hardware Euro Escutcheon Dual Chrome/ Black Nickel has a 53mm diameter. This is to be used with a euro profile deadlock & cylinder; some of these can be found in the related products or in the Hinges, Locks & Latches category. This escutcheon is made from zinc alloy & has a dual polished chrome & black nickel finish - it is to match the Argo & Ultimo handles in the Excel Hardware range. Other Variations It is also available with a standard profile or the following finishes: Black nickel Oil rubbed bronze Polished chrome Satin chrome Satin nickel ...