There are 2 products.
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.
