Tecnifibre tennis strings nrg² 1,32

The NRG² tennis string was developed with a special goal: to be the engine of the racket! This is the purpose of the NRG², the strongest string in our range. A special construction made of more than 1200 microfilaments, consisting of Elastyl, is 12% more elastic than standard polyamide. Infused with polyurethane to generate power and comfort. The exclusive S.P.L. surface treatment ensures smoothness and an effective "snap back," so the strings do not need to be re-strung during play. With a thickness of 1.32, higher durability is guaranteed. Welcome to NRG²! PU 400 offers 400% elasticity for high comfort and dynamic performance. Elastyl fibers provide enormous elasticity for maximum performance. The S.P.L. final coating ensures greater durability. Best seller in the USA for over 20 years, ranking among the top 10 bestsellers among specialists.