Tecnifibre NRG2 16g

The NRG² was designed with one specific goal in mind: to be the engine of your racket! This is the primary purpose of the NRG², the most powerful string in the range. It features a unique construction of over 1200 microfilaments, made of Elastyl (12% more elastic than standard polyamide). Impregnated throughout with polyurethane 400 to generate power and comfort. And finally, the exclusive surface treatment: SPL, to provide smoothness and an effective snap back, eliminating the need to restring during play.