Turning Point Hustler Propeller - 4 Blade - Aluminum - 13 x 21P RHTurning Point Hustler Propeller 4 Blade Aluminum The Prop that put the four in Performance! Turning Points Four Blade Hustler revolutionized the aluminum propeller market when introduced over 6 years ago. No one had ever produced a state of the art Swept Cleaver design for 40 150HP applications. These props re wrote the rules, proving that you can run a four blade that has unprecedented hole shot, handling, and rough water stability without the top