Mercury - Vengeance Propeller 11.625" Diameter x 11" Pitch Right-Hand Rotation 3 Blades Stainless Steel Polished Finish 823478A46. Overview. Some props just get the job done - others make every ride smoother, quicker, and a whole lot more enjoyable. The Mercury Vengeance 3-Blade Stainless Steel Propeller is one of those upgrades you feel from the first turn of the key. Made for boaters who want the lasting strength of stainless steel with the smooth, all-around performance of a versatile prop, i