They are called Hobbs tools.
It will pick some lever locks. It depends on the thickness of the levers. A complete set of these tools have different thickness lifters (?), generally .9, 1.0 1.1 mm. there are other thicknesses.
The best place to look are the European locksmith suppliers like; Wendt and Multi-pickService. They have catalogues that you can download.
To start out, get some inexpensive lever locks and bend some wire. You tube is a good place to get an idea about what you will be doing.
Clark's Law (Arthur C)
For every expert there is an equal and opposite expert.