For use with a euro or oval profile cylinder door locks. Available in 63mm (2, 1/2 inch) and 76mm (3 inch) in satin stainless steel and polished brass. Can be used with our levers on rose when fitted with the back to back bolts. Supplied with standard rectangular striker plate and forend plate. Radiused plates are only required if you are using a router to cut the plate recesses and rebate kits are only required if you are fitting to french doors.