The Signum Pro Thunderstorm is a axially twisted, decagonal string that offers excellent spin and control. This durable string has minimal tension loss while offering a comfortable, control oriented feel. This thinner gauge also offers a great playability.
Tennis String - 8% less! Technologically advanced string products, developed and created to our exacting specifications, exceeding the highest standards of performance exellence. High Power, Outstanding Spin Potential, Execellent Durability, Super Ball-Control and Touch, Stable Hold Tension, Resistance to Movement, A class of its own.
The newest, most interesting innovation of the last years! Minimum tension loss (no string moving). High durability and high dynamic. Excellent ball control.
The newest, most interesting innovation of the last years! Minimum tension loss (no string moving). High durability and high dynamic. Excellent ball control.