Prince o3 Speedport Black, Available in Various Grip Sizes Ideal for players looking for some extra power and mobility without sacrificing control and placement. Features the first true 'tweener offering in the Prince O3 Speedport racquet line. New square-shaped O-Ports that generates a livelier response across the entire string bed. The string PORT insert provides a softer, more-damped feel, while the string HOLE insert resembles a traditional grommet that provides more feel and feedback from the stringbed. Sure to be one of the best all-around racquets for an intermediate to advanced player with a moderate to fast swing speed.