The Excel Hardware Square Standard Escutcheon Dual Chrome/ Nickel measures at 50mm x 50mm. 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 & has a dual polished chrome & satin nickel finish - it is to match the Argo, Ultimo & Chronos handles in the Excel Hardware range.