Nightlatches and Deadlocks Rimlocks that have been manufactured according to stringent quality specifications and provide high security locking solutions for your home. Arrow to Yale part number conversion Click here to download conversion chart. Yale Double Cylinder DeadlockSuitable for hinged and some sliding doors 35-55mm thick. Yale Single Cylinder DeadlockSuitable for hinged and some sliding doors 35-55mm thick. Yale Single Cylinder NightlatchSuitable for timber doors 35mm - 55mm thick. This single…