Security Bit Steel Set 3.8mm 4.5mm Bits Screwdriver Tool Open NES SNES N64 Super Nintendo 64 Cartridges Systems, 2.5 Triwing Trigram Screw Driver Tool also you can open the new Nintendo switch 

• 3.8mm opens game cartridges for Original Nintendo (NES), Super Nintendo (SNES), Nintendo 64 (N64), Virtual Boy, Original Game Boy, Game Boy Color, and Sega Game Gear .

• 4.5mm bit opens game cartridges for Sega Genesis, Sega Master System, and Sega 32X as well as systems for Super Nintendo, Nintendo 64, Game Cube, Virtual Boy, Nomad, Game Gear, TurboGrafx 16, and TurboDuo .

• 2.5 Triwing Trigram Screw Driver Tool for Wii, NDS, NDSL, DS Lite, GBA, GameBoy Advance, Durable strong hardened steel, Heat treated for maximum strength, Measure 7 cm (~2.75 inches) in length .

• Allows for opening and internal cleaning of games as well as battery replacement, NES Screwdriver Bits kit are made from steel .

3.8MM VERSION OPENS:

--Original NES Nintendo game cartridge 

--Super Nintendo game cartridge 

--Nintendo 64 game cartridge 

--Original Game Boy game cartridge 

--Game Boy Color game cartridge 

--Virtual Boy game cartridge

--Sega Game Gear game cartridge

4.5MM VERSION OPENS : 

--Sega Master System game cartridge 

--Sega Genesis System game cartridge 

--Sega 32x System game cartridge 

--Super Nintendo console 

--Nintendo 64 console 

--Game Cube console 

--Virtual Boy console 

--Game Gear console 

--TurboGrafx 16 console 

--TurboDuo console .

2.5 Triwing Trigram Screw Driver Tool For Wii DS DSL GBA .