You have pulled a lock cylinder with your pulling tool and the Bever--Turrus -Security Lock has the catch, the latch, and the profile cylinder opening blocked.
To gently open a locked Bever-Turrus lock, you need this hook and the detailed, illustrated description, which is supplied free of charge.
For those who do not want the hardware, the lock, or the door damaged, this is an indispensable tool.
