Tri-Wing Screwdriver (50mm)
If you purchase a reproduction GBA-style shell online, it will likely come with tri-wing screws, but it may not come with a tri-wing screwdriver. Some sellers include them, but not all do.
If you are taking apart an actual GBA, you may need a tri-wing screwdriver to do that
If you need a tri-wing screwdriver, here is a cheap option for you.
Availability: 39 in stock