Wilson’s #1 selling string. The original high performance MultiFilament string. It reduces vibration vs. traditional Synthetic Gut. Has excellent feel with added control for all-around comfort and playability. In 17g form, Sensation offers optimum playability with slightly less durability compared to the 16 gauge version. Reel: 660 ft/200m. This reel will string about 20 racquets. Wilson Tennis String WRZ911100