REF: 04RRA130XU EAN: 3490150180382
The RAZOR CODE string is the strongest and most difficult to deform in this range with a composition that allows for a lot of control. 
A leading brand in strings, Tecnifibre offers a wide range of strings dedicated to all levels and needs of players. 
This string was designed: For very good and demanding players looking for strength and versatility.
For rackets over 300g. 
Recommended for heavy lambbreakers.  (> 10 hours of gameplay)
Main material: Copolyester.
Recommended tension between 22 and 25 kg. 
Maximum tension: 32 kgs. 
Strings made in France. 
Thermocore: Guarantees the greatest flexibility to polyester monofilaments to generate less fatigue. 
High Modulus Polyester Composite: Provides a firm feel and extreme durability. 
Section: round for versatility. 
A real advantage for the big breakers. 
The strongest and firmest string but still more flexible compared to Blast or 4G.