The Ashaway Microlegend XL badminton string is recommended for professionals & advanced players who seek a good combination of playability & durability in a badminton string. The Microlegend XL features 5, 000 microfilaments for optimum resiliency & XL construction for enhanced durability. The string is 8-10% thinner than a standard one, which results in less wind resistance & increased power. It has a gauge of 0.73mm & is supplied in a 200m reel, which is enough for 20 re-stringings.