- 4-in-1 Functionality: This versatile quick tool accommodates 1.5 mm and 2.0 mm hexagon socket screws, providing multiple solutions in one compact design. - Upgraded One-Way Bearing Socket: The latest version features an innovative one-way bearing, significantly enhancing your ability to tighten and loosen propeller nuts with ease. - Ideal for FPV Racing Drones: Specifically designed to fit M3 and M5 hex nuts commonly found on FPV racing drone motors, making it an essential tool for drone enthusiasts. - Enhanced Efficiency: Compared to the previous model, the one-way bearing mechanism allows for quicker adjustments, saving you time during setup and maintenance. - Practical Applications: - Use it for quick propeller changes before a race, ensuring your drone is always ready for action. - Perfect for routine maintenance, allowing for swift adjustments and repairs on the go. - Great for hobbyists and professionals alike who need reliable tools for drone assembly or disassembly. - Durable Construction: Built with high-quality materials to withstand frequent use, this tool is designed for longevity and consistent performance. - Compact and Lightweight: Its portable design makes it easy to carry in your toolkit or backpack, ensuring you have it on hand whenever you need it. This tool is a must-have for every FPV racing drone operator, combining convenience, efficiency, and durability in one essential device.