I don't care for the change a bit drivers. They are OK for cheep guns.... but they are too wobbly and have a bit of slack .

Have some Forestors, which I like a lot. Especially for small slots ...like one would find on scatterguns. I have had to grind my own drivers to get what I need . Often Grace drivers are used for that. Often one has to tap driver with a small hammer to get a stubborn screw to break free.