Li‑Ning No. 7 Boost – Durable Power String

The No. 7 Boost is a thick gauge (0.70 mm) string engineered for **maximum durability** while still providing powerful repulsive strikes and a satisfying hit sound.

• Core & Outer: Heat-resistant multifilament nylon composite
• Coating: Li-Ning 3D Knit technology + elastic resin
• Gauge: 0.70 mm
• Attributes: High endurance, strong repulsion, great power feedback

Designed for serious players who need long-lasting performance and strong hitting power.