Tecnifibre X One Biphase Tennis String 1.30mm Black 12m Set

X-One Biphase packs all of Tecnifibre’s know-how into one string and is the best choice for players looking for ultimate power, comfort and feel X-One is packed with leading string technology such as Elastyl and H2C fibres that provide power and tension maintenance and a Biphase process that increases the string's durability by 20% 12m Set of String 1.30 Gauge Manufactured in France