The widely used and best selling Bravo 1 four blade propellers by Mercury Marine are the most common propeller for bravo high performance applications. They are the middle of the road, safe choice for most bravo equipped boats. While other propellers may do one thing better or worse than the Bravo 1, these propellers will usually not have any bad performance characteristics. Included with each propeller is a Bravo 1/1X (1" propshaft) 400HP+ Hub Kit.