Signum Pro Firestorm 1.25mm...
The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.
There are 3 products.
The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.
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.