Gamebit Torx Security Repair Tool Open Sega Video Game Cartridge Screw will open some Sega Genesis Cartridges to service, repair, or clean them. It will also open some Xbox consoles and is not limited to these electronic devices. Check your electronics device, this maybe the gamebit you are looking for. This tamperproof Torx bit screwdriver is engineered for exact fit for reduced cam out. The quality of the tempered harden metal will provide exceptional durability, Drive: 1/4”. Some electronic devices such as Sega Genesis games have two types of security screws. Some electronics like Sega Genesis games require Newelectronx 4.5mm Gamebit Security Game bit, some Genesis cartridges require this fine game torx bit, while others will use our Gamebit Pro Access 100 Piece Game Bit Security Set. The Gamebit Torx Security Repair Tool Open Sega Video Game Cartridge Screw have a hole in the tip to fit over the pin located in the head of the tamper proof screw. Useable with our Magnetic Screwdriver handle for Security Bit Drivers GameBit, but will work with any standard 1/4" driver.