This is a high quality 4.5mm security screw driver. Please see the handy chart below to determine which security tool you need to open up your game or system. Game Console 3.8mm Bit 4.5mm Bit Triwing Nintendo 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 Yes GameBoy Original (Later Models)- Earlier models used Philips screws Yes GameBoy Play it Loud Yes GameBoy Pocket Yes Virtual Boy Yes GameBoy Micro GameBoy Advance Yes GameBoy Advance SP Yes Nintendo DS Yes Nintendo DS Lite Yes Nintendo DSi Yes Nintendo DS XL Yes Nintendo 3DS Yes Nintendo 3DS XL Yes Sega 32X Yes Sega GameGear Yes Sega Nomad Yes TurboGrafx-16 Yes TurboDuo Yes Game Cartridge 3.8mm Bit 4.5mm Bit Triwing Other Nintendo NES Yes Super Nintendo Yes Nintendo 64 Yes GameBoy Original Yes GameBoy Color Yes GameBoy Advance Yes Nintendo DS Yes Nintendo 3DS Yes Sega Master System Yes Sega Genesis Yes (Few) Yes (Most) Tamper resistant Torx and some EA sports game use an unknown type of security screw Sega 32X Yes Sega GameGear Yes
