When you string your racket with these strings, it's advisable to know what you're doing. Thanks to the innovative Crystal Core technology, a manufacturing process that influences the individual balance of each string between power and control, the HAWK Touch monofilament string features a larger crystalline core, providing ultimate control in play. This string has been developed for excellent tour and tournament players. Its elasticity allows for precise feedback from the string and an outstanding playing feel. It perfectly supports your versatile game, enabling you to control every shot and ultimately the game itself. If extreme control is your thing, then the HAWK TOUCH is your string.