Nintendo game console repair, Game Boy cartridge disassembly, etc. Bit for special screws DTC-20 DTC-27 Driver set for Nintendo I think it can be useful for disassembling and maintaining iPhones, Apple Watches, mobile phones, and games, and for replacing the internal batteries of cartridges. New, unopened #Nintendo #wii #wiiu #switch #DS #3DS #GameBoy Super Famicom NINTENDO 64 Game Boy Game Boy Advance cartridge PC Engine Game Gear SFC etc. It can be widely used for Made overseas, so please purchase with your understanding.