Description for 3.8mm and 4.5mm bit screw driver:

3.8 mm version can open:
for Original NES Nintendo game cartridge
for Super Nintendo game cartridge
for Nintendo 64 game cartridge
for Original Game Boy game cartridge
for Game Boy Color game cartridge
for Virtual Boy game cartridge
for Sega Game Gear game cartridge

4.5 mm version can open:
for Sega Master System game cartridge
for Sega Genesis System game cartridge
for Sega 32x System game cartridge
for Super Nintendo console
for Nintendo 64 console
for Game Cube console
for Virtual Boy console
for Game Gear console
for TurboGrafx 16 console
for TurboDuo console

Package:
1 X bit handle
1×3.8 mm bit screw driver,
1×4.5mm bit screw driver

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