Head PWR 115Effortless power comes with arm friendly comfort in the PWR 115, which is designed for intermediate and beginner players with a slow and short swing. Very light and maneuverable, which makes it easy to swing, this racquet has an oversized frame that enhances power as well as forgiveness. The extra length and the open string pattern also boost your power. New Auxetic 2. 0 technology delivers a more connected feel to the ball and adds vibration