By the time you install Hawk Touch Tennis strings on your racquet, you should have everything under control. The Hawk Touch monofilament string has a larger crystalline inner core that gives you the most control over your game thanks to the groundbreaking Crystal Core Technology, a manufacturing method that enables you to affect each string's unique balance of power and control. The string's elasticity, which is intended for elite Tour and tournament players, provides precise feedback and a beautiful feel, enabling you to execute your diverse game with flawless control over each stroke.