The Fortessa Standard Escutcheon Satin Nickel has a 52mm 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 zinc alloy & has a satin nickel finish - it is to match the Verto, Bulbus, Swish, Wave, Titan & Achilles handles in the Fortessa range. Other Variations It is also available in the following finishes: Dual chrome Dual chrome/nickel Dual nickel Polished chrome PVD brass Satin chrome Some of these can be...