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 players looking for a powerful and armfriendly string with enhanced spin potential.

25% more elastic vs. MSV Focus Hex®.

Hexagonal shape and strong snap-back effect for great spin potential.

Low string movement.

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.

• Playability as natural gut. Maximum comfort, maximum power. Each microfiber is impregnated with thermoelastic Polyurethane.Excellent playability and comfort. Excellent ball control.

Ideal for players looking for a powerful and armfriendly string with enhanced spin potential.

25% more elastic vs. MSV Focus Hex®.

Hexagonal shape and strong snap-back effect for great spin potential.

Low string movement.

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.

Ideal for advanced players looking for an explosive and snappy string with a crisp feel.

Hexagonal shape and strong snap-back effect for great spin potential.

Special coating for reduced string movement.

Ideal for players looking for a maximum of spin potential and power.

Heptagonal, twisted co-poly string for highest level of spin potential.

#1 string in power and tension stability during play (Playtest of spin strings 2014 by German tennisMAGAZIN). #2 string in spin potential. Overall rating: GOOD.

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.

Ideal for players using a stiff racquet frame and/or looking for a very comfortable and arm-friendly string with enhanced spin potential.

Softest among all MSV-Co-Polyester strings. 38 % more elastic vs. MSV Focus Hex®. High-performance co-polyester.

Ideal for Club and Tour-Players with a powerful groundstroke looking for a very high level of control, durability and tension maintenance.

Made from same material like highly rated MSV Focus Hex ® but with round shape 25% less tension loss in comparison to well-known strings of competitive brands (based on data of TW University; Oct. 2017)

Ideal for players looking for a maximum of spin potential and power.

Heptagonal, twisted co-poly string for highest level of spin potential.

#1 string in power and tension stability during play (Playtest of spin strings 2014 by German tennisMAGAZIN). #2 string in spin potential. Overall rating: GOOD.

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.

The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.