Experience the next level of badminton performance with our cutting-edge NS70 string featuring a 0.68mm diameter, designed for superior control and repulsion power. Crafted with 3D-Knit Technology using heat-resistant and high-intensity fabric, this string is exceptionally durable despite its thin profile. The core is made from Nano-Braided Multifilament, while the outer layer uses heat-resistant Nylon, coated with Nano Boost Nylon Resin providing unmatched precision and resilience for demanding players.