When it comes to screwdrivers for your PlayStation 4 controller, the size really doesn’t matter. In fact, there’s no definitive answer as to which size screwdriver is best. That said, if you’re new to PlayStation 4 repair and don’t have a lot of experience using different screwdrivers, it might be a good idea to start with a smaller one. On the other hand, if you’re an experienced PS4 owner and know exactly what size screwdriver you need, then by all means go for the largest one possible! ..