This MotorGuide 2-Blade Power Prop delivers power and efficiency to give you the greatest control and maneuverability on the water. This performance-tuned propeller enhances your motor's all-around performance in any application. It has a hub size of 3 inches. 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.