The Tecnifibre ATP Razorcode Tennis String Reel (200M, Black) is textured to help generate more spin and features high modulus polyester for excellent durability. This monofilament string incorporates the Thermocore technology that makes it more flexible, easier to string and provides a softer feel. It is used by the ATP World Tour players and comes as a 200m (656ft) reel.

New High modulus poly, as used by Janko Tipsarevic and many other ATP Pros. New high modulus polyester string from Tecnifibre, textured for more spin. This new offering delivers extreme durability through the use of Polyester Monogut. However, it is treated with ThermoCore technology to offer a softer feel and therefore plays with more comfort and power than conventional poly strings.