Now available for your delight and convenience, the hard to find tamper resistant screwdriver size 8. Has a small hole in the tip, to bypass the post in a tamper resistant screw, like the ones found in the OEM Microsoft wireless controller for the xbox 360. Works perfectly on all the screws in the Microsoft Xbox 360 wireless controller. Screwdriver handle is MUCH easier to use and provides much more leverage than L key style wrenches provide. Ease of use plus a low price gives you a great value! The quality you need in an affordable design.