This Babolat RPM Blast Rough is a rougher version of RPM Blast string for increased spin potential. The string offers a maximum spin thanks to its octagonal section and Cross-Linked Silicone, and unique sensation thanks to the High-density Co-PET. Ideal for players who hit hard want more control. Suits tournament and club player. Monofilament construction. Copolymer string. Very hardwearing.