3.8mm & 4.5mm Gamebit Security Screwdriver Set
Heavy duty steel 3.8mm and 4.5mm security bit drivers designed specifically for opening original Nintendo and Sega cartridges and consoles.
Brand / Manufacturer: Keten
Platform / Systems: Nintendo Entertainment System, Super Nintendo / Super Famicom, Nintendo 64, Nintendo Game Boy, Mega Drive / Genesis
As an Amazon Associate, Retro Gameforce earns from qualifying purchases. Product prices and availability are accurate as of publication and subject to change on Amazon.com.

Technical Specifications
- 3.8mm Bit
- Opens NES, SNES, N64, Game Boy, Game Boy Color, Virtual Boy, and Game Gear cartridges
- 4.5mm Bit
- Opens NES, SNES, N64 consoles, Sega Genesis, Master System, 32X cartridges
- Handle
- Ergonomic non-slip molded handle with extra deep shaft reach
System Compatibility
- Direct fit for proprietary Nintendo and Sega star-shaped security screws.
What's Included
- 1x 3.8mm Gamebit Screwdriver
- 1x 4.5mm Gamebit Screwdriver
Retro Gameforce Verdict
A mandatory $10 investment for any collector who wants to clean internal cartridge contacts or replace dead save-state coin batteries (CR2032).