Wilson NXT POWER 16 Tennis String (WRZ941600) Multifilament Gut, Single String

With 60% more filaments and 20% more resin than the NXT, this model combines natural feel with added distance. With 60% more filaments and 20% more resin than the NXT, this model combines natural feel with added distance. Multifilament Single string (Length: 12.2m) Gauge (Thickness): 1.30mm Material: Nylon + Polyurethane