The Bravo One propeller fits MerCruiser Alpha One and Bravo One stern drives as well as high horsepower outboards (135HP and above). The large blade area, aggressive cup and high rake design delivers exceptional holding in turns and at high speeds in all sea conditions. See your owner's manual for specific Flo-Torq II hub application information. Mercury Marine’s passion for performance is matched by your drive for the new, the unknown. Our legendary reliability and durability let you boldly embrace your next adventure—large or small—knowing you’re backed by the best quality design, engineering, and materials.