The deadlocking is controlled by a snib in the forend. When the snib is in its up position, the door will deadlock when closing and can only be opened with a key or the thumbturn. When the snib is in its down position, the door can also be opened with the handles.
LC200 Scandinavian sashlock
LC200 Scandinavian sashlock
LC210 Security Scandinavian mortice lock for solid doors
LC210 Security Scandinavian mortice lock for solid doors
