The 4S stringgenerates the most spin in this range with its square construction, allowing even more spin.

Designed for:

• Very good and demanding players seeking spin and effect
• Rackets over 300g
• Heavy string breakers

Size: Gauge 1.20, Gauge 1,25

Colour: Black
Main material: Co-polyester
Recommended tension: 22-25 kg
Maximum tension: 32 kg
Made in France

Thermocore: Guarantees the greatest flexibility for polyester monofilaments, reducing fatigue.
Co-Polyester compound: Selection of polyester granules known for specific flexibility.