Li-Ning's No.7 Boost is a premium staple for your prized racket. An ultra-durable string, it promises super durability and a soft hitting feeling. The core of the string is made of high polymer and nylon filament. The outer part of the string is made of heat resistant and high-intensity nylon. This string comes engineered with Li-Ning's Deep-Re-Dipping technology that helps improve durability and prevent loss of tension. The string is coated with compound nylon that gives you a fantastic hitting feeling.
| Gauge | 0.70mm |
| Length | 10m |
| Core Material | High Polymer Nylon Multi-Filament |
| Outer Material | Heat Resistant & High Intensity Nylon with a Compound Nylon Coating |
| Player Level | Professional |
| Control | 09-Oct |
| Durability | 10-Oct |
| Repulsion Power | 07-Oct |
| Shock Absorption | 08-Oct |
| Hitting Sound | 08-Oct |
| Product Type | Badminton String AXJN022 |