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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.
Ideal for advanced players looking for an excellent balance between control and power combined with exceptional spin potential.
8% more elastic vs. MSV Focus Hex®
Hexagonal shape and strong snap-back effect for great spin potential.
High-Tech additives for excellent control, durability and tension stability.
Ideal for Club- or Tournament-Players with a powerful groundstroke
Hexagonal shape and strong snap-back effect for great spin potential
High-Tech additives for excellent control, durability and tension stability
Our best-seller.
