Mercury Ventera Pro Finished PropellerThe Mercury Racing Ventera propeller is designed to handle big outboard horsepower on the fastest high performance center consoles, day cruisers and bay boats. Exclusive to the Mercury Racing Profile Series, this four blade propeller is engineered specifically to carry more load with greater efficiency at high speeds and in semi surfacing installations. The Ventera features an increased blade diameter of 15" and a new blade thickness curve to handle