Description 3 8mm 4 5mm Triwing Security Screwdriver Bit Set for NES SNES N64 Game Boy Wii Specification Please see chart below for the systems and games the Security Bits can open Bits are made from steel Approximately 2 inches in length 3 8mm Security Bit is specifically designed with 4 4mm diameter to open game cartridges with recessed Security screws NES SNES and Nintendo 64 Screwdriver is 4 inches in length Video Game SystemsGame Console3 8mm Bit4 5mm BitTriwingNintendo NES Top Loader NES 101 Yes Super Nintendo Full Size SNES 001 Yes Super Nintendo Miniature SNES 101 Yes Nintendo 64 Yes Nintendo GameCube Yes Nintendo Wii and Wii UYesGameBoy OriginalYes Some Philip ScrewGameBoy Play it LoudYesGameBoy PocketYesVirtual Boy Yes GameBoy MicroGameBoy AdvanceYesGameBoy Advance SPYesNintendo DSYesNintendo DS LiteYesNintendo DSiYesNintendo DS XLYesNintendo 3DSYesNintendo 3DS XLYesSega 32X Yes Sega GameGear Yes Sega Nomad Yes TurboGrafx 16 Yes TurboDuo YesVideo Game CartridgesGame Cartridge3 8mm Bit4 5mm BitTriwingOtherNintendo NESYesSuper NintendoYesNintendo 64YesGameBoy OriginalYesGameBoy ColorYesGameBoy AdvanceYes Nintendo DSYes Nintendo 3DSYes Sega Master System YesSega GenesisYes Few Yes Most Can Vary Sega 32X YesSega GameGear YesDetails pictures