The string for even more power The HEAD Hawk strings give your shot explosive power with good control. Thanks to the innovative Crystal Core technology, the HEAD Hawk strings combine control and power in perfect balance. The crystalline core of the mono-filament string gives you control and the outer molecular chains give your shots extra power. The strings thus offer a high spin potential. Give your game maximum power with the HEAD Hawk! Highlights: For those who want a powerful and controlled game Balance between power and control through Crystal Core technology precise control thanks to crystalline core in mono-filament strings Power through the outer molecular chains Very durable