If you string your racket with these strings, it is advisable that you know what you are 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 has a larger crystalline core and brings ultimate control into play. The string has been developed for excellent tournament players. Their elasticity allows precise feedback from the Sa" ULTIMATE CONTROL: Engineered for advanced and tournament players who demand precise shot placement and dependable control on every swing. CRYSTAL CORE TECHNOLOGY: Innovative manufacturing creates a larger crystalline inner core for the perfect balance of control, power, and durability. EXCEPTIONAL TOUCH & FEEL: High elasticity delivers superior feedback and responsiveness for confident shot-making and enhanced ball pocketing. TOUR-LEVEL PERFORMANCE: Designed for high-level and competitive players seeking maximum precision for aggressive and versatile play styles. DURABLE MONOFILAMENT STRING: Premium polyester construction maintains tension and performance longer for consistent play match after match.