Tecnifibre tennis strings 4s 12 m

The 4S string is the one with the most spin in this range. It features a square construction that allows for even more spin. The leading string brand Tecnifibre offers a wide selection of strings for all skill levels and player requirements. This string is designed for very good players with high demands for spin, for rackets weighing more than 300 g, and for strong stringers. It is black and made from co-polyester. The recommended tension ranges from 22 to 25 kg, with a maximum tension of 32 kg. Recommended for strong stringers with more than 10 hours of playtime. The string is manufactured in France. Thermocore guarantees the greatest flexibility for polyester monofilaments to reduce fatigue. The co-polyester compound is a selection of polyester granules known for their specific flexibility. High-quality material made from a blend of various polyesters. The cross-section is square for maximum effects. A real advantage with the square structure. The most extreme response given for lifters by Tecnifibre. Flexible like the Black Code.