The dunlop iconic clear 63 badminton string is a new nylon multifilament string designed for greater repulsion force to limit the player’s difficulty in returning a shuttlecock from the baseline, providing more flight distance to overcome the lack of power and technique. a high-performance string with excellent durability and a clear, comfortable hitting sound. the thin 0.63mm gauge improves repulsion while maintaining increased string durability. this new material provides an exciting sound at impact and dynamic, high-speed drives to catch your opponent off guard.0.63mm/10m