Prince 7JJ040 PHANTOM TOUCH 17 Tennis String (Graphite)

Emphasis on softness and durability. A new type of polyester that provides a firm hold and bounce. This new generation polyester is made with a new, highly heat-resistant polymer and a silicone coating for superior tension retention, significantly improving performance and durability while also absorbing shock. Even with a slower swing speed, you can enjoy superior hold, distance, bounce, and spin.