The narrow stile version of the project locks impresses with its versatility with regard to function, security and reliability. It is suitable for single-leaf doors and for double-leaf doors in combination with the unique espagnolette in the passive leaf. The new feature is that the espagnolette is integrated in the striking plate. The versions are versatile: The standard project lock for narrow stiles is available as a roller bolt lock or latch lock and deadbolt lock.