Tecnifibre X-One Biphase 17G 660ft. REEL features high heat capacity to create the ultimate performance of power and feel. Playability similar to natural gut.Composition: NRG2 Micro filaments with polyurethane. The BIPHASE treatment extends string life by 20%. Biphase increases spin and performance. The item "Tecnifibre X-One Biphase 17 Gauge 1.24 mm Tennis String Reel Natural 660 ft 200m" is in sale since Saturday, March 23, 2019. This item is in the category "Sporting Goods\Tennis & Racquet Sports\Tennis\Strings". The seller is "raquettedetennis" and is located in San Jose, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Viet nam, Uruguay, Saint lucia, Bermuda, Bolivia, Ecuador, Egypt, Cambodia, Peru, Paraguay, Reunion.