ITS THE IDEAL STRING FOR PLAYERS WHO WANT FABULOUS TOPSPIN AS WELL AS LONG-LASTING TENSION HOLD. The Twist System technology provides excellent tension hold. The combination of a high-density co-polyester and a titanium co-polyester improves resistance to abrasion to ensure greater durability. The cross-linked silicone coating provides better ball bite for enhanced spin.The item "Babolat RPM Dual 17G 200m/660ft (reel)" is in sale since Thursday, October 06, 2016. This item is in the category "Sporting Goods\Tennis & Racquet Sports\Tennis\Strings".anywhere" and is located in Mountain View, California. This item can be shipped to North, South, or Latin America, to all countries in Europe, to China, to Japan, to Australia.