PORTABLE DOUBLE-ENDED DESIGN: Mart Cobra's design features 4.5mm & 3.8mm heads making this gamebit screwdriver ideal for NES, SNES, N64, GameBoy, GC, Virtual Boy, and Sega game cartridges. Wii guarantee you will love this GC screwdriver MAGNETIC TRI-WING SCREWDRIVER: Featuring a 6-inch driver with an ergonomic handle, this screwdriver grips comfortably while securing screws. Ideal for Wii, Nintendo DS, DS Lite, and Game Boy Advance repairs. Lose the hassle, not the screws! QUALITY, PRECISION, EXCELLENCE: Mart Cobra's Gamebit Screwdrivers are designed in Austin, Texas. Our bits are made of industrial-hardened carbon steel designed to keep your retro games and retro consoles working for a lifetime. 3.8mm MAGNETIC GAME BIT SCREWDRIVER: Unlock game history with a turn! Ideal for NES, SNES, N64, Virtual Boy, Game Boy, Game Boy Color, Sega Genesis cartridges, Sega Master System, and Sega Game Gear cartridges. 4.5mm MAGNETIC GAMEBIT SCREWDRIVER: Opens a variety of consoles and cartridges, including SNES, N64, GC, NES Top Loader, Sega systems game cartridges, TurboDuo console and more. Ideal for gamers and collectors! nes cartridge screwdriver nes tool snes screwdriver gamebit screwdriver set game bit gamebit 4.5mm nintendo screwdriver nintendo screwdriver set nintendo gamecube screwdriver snes repair kit nintendo tools gameboy nintendo cartridge screwdriver nintendo tools super nintendo screwdriver virtual boy screwdriver snes tools n64 security bit snes security bit sega genesis screwdriver super nintendo tool snes security screwdriver nes game screwdriver nintendo screwdriver kit bit nintendo snes n64 screwdriver