Wilson [K] Factor [K] Pro Open

The Wilson [K] Factor [K] Pro Open racquet is a lower-mid-range model that targets competitive players who like a balance between maneuverability and control, and emphasizes power. It is 4 points head-light and weighs just over 11 ounces when strung. The frame design features Wilson's "Karophite Black" material, which increases the strength of the frame graphite. Like many of the other [K] models, the Pro Open has larger-than-usual grommet holes, which allow the strings to flex more, which in turn slightly increases contact time with the ball, power and fluidity of stroke. Wilson suggests this racquet is for more aggressive players.