The MotorGuide Katana Two-Blade Propeller features an innovative design that makes it the most powerful and efficient trolling motor prop on the market. This weedless prop combines NASA's hydrofoil design and legendary Mercury Outboard Propeller technology to deliver its impressive power. Along with its power, it provides up to 30% more battery efficiency compared to previous props, and it excels in current, shallow-, and open-water applications. This propeller has a 3.5-inch hub and a 10.25-inch diameter. This black propeller features glass-filled nylon construction. It comes standard on Tour Pro and Tour motors, and can easily be used on any existing MotorGuide trolling motor with a 3.5-inch hub. It comes with a prop pin, nut, and washer. MotorGuide has been dedicated to engineering and manufacturing innovative trolling motors and accessories for over 50 years. Proudly setting the standard for the most accurate PinPoint® GPS system and quietest motors, MotorGuide provides anglers with precise propulsion for superior boat control.