Don't worry about running out of overgrips in the middle of a tournament

Features enhanced topspin and less shock

Gel cushioning cradles the heel

Open Racquetball Championships

Tecnifibre 4S 17 1.25 COLLECTION-Activity-Racquetball Don't worry about running outBuilt to deliver maximum spin, Tecnifibre Black Code 4S 17 tennis string will help you send the ball exactly where you want it to go with a square shaped section. A unique production process delivers shock absorption and a reduction in vibrations. The combination of Thermocore technology and high density polyester creates high flexibility and tension maintenance. PU multifilaments provide 22% less arm fatigue. Official string of the ATP World Tour.