Black Code 4S Tennis String | High Performance Polyester Tennis Racket String | Perfect for Competitive Play & Tournament Matches

Black Code 4S is Tecnifibre's squared-shaped low-power co-poly designed to give players maximum spin potential. Utilizing a co-polyester core, this string possesses excellent durability with greatly enhanced tension maintenance and feel. Black Code 4S features a square profile, helpful for generating more spin as the string bites into the ball better. The string uses Tecnifibre`s exclusive ThermoCore technology which serves two primary purposes. String-to-string friction is greatly reduced, enhancing durability and further promoting spin and ease of stringing. The ThermoCore technology also gives the string greater flexibility for more power and a softer feel. An excellent choice from all areas of the court with enhanced spin, good power, and a softer feel.

Construction: Extruded-shaped polyester monofilament

Color: Black

Gauge: 16G (1.30 mm) | 17G (1.25 mm) | 18G (1.20 mm)

Length: 40 ft (12.2 m)

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