Babolat RPM Blast 1.35mm/15L - Tennis String - 200 Reel. The Babolat RPM Blast is the string of choice for Rafael Nadal, Jo Wilfreid Tsonga and Samantha Stosur. Used by Many of the Top Players. Features: Fast, powerful response: greet ball speed out the frame.Maxizimed spin: thanks to the Cross linked silicone. Unique feel: high density Co - Polyester and coating. The item "Babolat Rpm Blast Tennis String 1.35mm/15L Black 200m Reel Free UK P&P" is in sale since Thursday, December 28, 2017. This item is in the category "Sporting Goods\Tennis\Strings". The seller is "plazastock" and is located in Harlow. This item can be shipped worldwide.