Babolat RPM Blast Tennis String 12m Set (1.25mm/17 ) Babolat RPM Blast tennis strings £12.99 Quantity: at £12.99 each Add To Basket Babolat RPM Blast (Black)12m Babolat RPM Blast 17-1.25mm - Tennis String in special plastic case holder Babolat RPM Blast 17 is constructed of a high density co-polyester. It has a cross linked silicone coating giving an octagonal structure resulting in maximum spin. RPM Blast provides a unique feel, offering extraordinary topspin and a fast, powerful response. Gauge: 1.25mm / 17Colour: Black Babolat RPM Blast 17 Set strings 1 racquet. The Babolat RPM Blast is the string of choice for Rafael Nadal, Jo Wilfreid Tsonga and Samantha Stosur. 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.