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New heptagonal shaped string developed for the higher-performance player. Allows a player to generate maximum power and greater ball bite for massive amounts of spin. Co-poly material is very responsive and provides lots of feedback. Excellent tension maintenance.
Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.
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 newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.
Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.
