Turning Point - Hustler Aluminum Propeller - Left Hand - 4-Blade - 15" x 15 Pitch - LE-1415-4L - 21501540. The Prop that put the "four" in Perfourmance! Turning Point's Four Blade Hustler revolutionized the aluminum propeller market when introduced over 6 years ago. No one had ever produced an aluminum propeller with two different blade shapes (they call it Dual Geometry) for 90-300+hp applications. This prop is uniquely engineered with two blade geometries: (diagram label 2)two blades utilize t