4.5mm 3.8mm Security Gamebit Screwdriver Bits With Magnetic Tip

Works good

Easy to use and I like it comes with two different sizes. I have been using the 3.8 mm to open and clean some GB and GBC cartridges with no issue! The tips are magnetic so the screws stay on it. The blue handle is simple and offers a nice grip. Overall a great value for the cost if you need a tool for your games.

4 stars for this gamebit kit, which allows access to deeply recessed Nintendo style screws in various hard to disassemble systems and cartridges. The bit holder (blue plastic handle) is simply a basic and serviceable part. It does not retain the actual 4.5mm or 3.8mm bit securely due to it's extremely simple design. If the screwdriver is used to apply too much torque, you will likely damage the blue handle causing the bit to fail to be retained. There is a spring loaded ball that is intended to retain the bit in a nicer handle, so if you have another better handle, you'll find the bits themselves will work exceptionally well in that handle. The bits are magnetized out of the box, and will help lift the screw once it's been unscrewed from the constituent casing. Each of the bits seems to fit the security screw well enough, and provides good long reach (just a hair under 2" for you standard unit folks) to reach deeply seated screws. Overall, 4 out of 5 stars, due to the poorly designed included blue handle. The bits work great, though, and at 9 bucks at the time of writing, it may still be a great value if you need a long reach gamebit solution.