Products Categories Mechanical Products Locks Mechanical Door Locks Nightlatches and Deadlocks Nightlatches and Deadlocks Rimlocks that have been manufactured according to stringent quality specifications and provide high security locking solutions for your home. 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… Find Yale close to you Find your local contact and see how we can help make your everyday a bit easier. Find Yale close to you