![](https://prestige-sport.com/246-large_default/signum-pro-thunderstorm-130mm-violet-200m-660ft.jpg)
![](https://prestige-sport.com/246-large_default/signum-pro-thunderstorm-130mm-violet-200m-660ft.jpg)
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.
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.