The Babolat RPM Blast is legendary. Since 2010 Rafael Nadal has used it and has celebrated dozens of tournament victories. The Babolat RPM Blast 100m is a high-performance string made of co-polyester. The octagonal cross-section ensures extreme spin transmission and a unique feel. High acceleration and a sensitive touch make this string a real weapon on Grand slam standards. Rafael Nadal, Jo-Wilfried Tsonga, and Samantha Stosur all rely on Babolat RPM Blast. What else do you need to know? Make sure you get it! Highlights: Atop string designed for competitive players. enormous spin characteristics thanks to the octagonal structure. More control with service and a great ball feeling. consists of dense Co-polyester and a cross-linked silicone coating.