Special purpose locks Narrow profile locks for narrow section doors Small case locks for on-site fitting with hand tools A full range of cupboard and cabinet locks Downloads Special Purpose Locks (.pdf, 120 kB) Narrow profile hookbolt lockSpecial high security hook bolt lock for narrow profile doors. Recommended for shop doors, as well as other glazed doors where a higher degree of security is required. Narrow profile nightlatchLocks for narrow stiled entrance doors where automatic locking is required when door is closed. Narrow profile escape nightlatchLocks for doors with narrow stiles offering security but allowing unrestricted exit. Ideally suited for exit doors where the ASSA Connect or Modular lockcase is too large for the door stile. Small case locksSmall case locks for easier site fixing with hand tools. Small case toilet lockLocks for bathroom and toilet doors in schools, hospitals, sheltered housing, factories, hotels etc. Small case locks are suitable for easier site fixing with hand tools. Lever lockLocks for lightweight inner doors. Cupboard locksCylinder locks for wooden or steel doors. For use with door thicknesses as shown. Cylinder rim locksRim Night Latch and Rim Deadlock for doors which cannot be fitted with mortice locks. Three point mortice lockingSuitable where free passage is required at certain times, but security is needed the rest of the time. Minimises the hardware visible on the surface of the door. Ideal for both commercial and... AccessoriesHere are a list of ASSA Special Purpose Lockcase accessories.