Introducing the Inox PD83 Mortise Lockcase, a high-quality stainless steel lock for all your door fitting needs. This deadbolt type lock is suitable for a variety of doors including internal, closet, commercial, and fire doors. It can be used for both residential and commercial purposes and is compatible with universal mounting options. The Inox PD83 Mortise Lockcase features adjustable backset and latch, concealed locking mechanism, and is fire rated. This lock is easy to install and comes with an adjustable strike and no pull.