Features: brand new and high quality 3.8mm security screwdriver is for opening 8-bit NES, 16-bit SNES, N64, Game Boy, Sega Genesis Cartridges, Sega Master System, Sega Game Gear and for Game Boy Color Games. 4.5mm security screwdriver is for opening CONSOLES, Super Nin-tendo, Game Cube CONSOLES, and it also opens the SNES-103 Mini SNES Console and the NES Top Loader Console. Gamebit screwdrivers comes with a 4.5mm security screwdriver and a 3.8mm security screwdriver. High quality metal + plastic. Screwdrivers size: 15.5cm/6" approx. The 4.5mm & 3.8mm security screwdriver bits set have the features ergonomic plastic handles and it is for opening compatible retro game consoles and cartridges. Specifications: Material: ABS+Metal Size: 15.5cm/ 6.1 in Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 2 Pcs Security Screwdriver