This Babolat RPM Blast Rough 125 200m string for players who want more control and incredible spin! 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, his rough texture, and the Cross-Linked Silicone. It has a unique sensation thanks to the High-density Co-PET. It's an octagonal cross-section, the coarse structure, and the mesh silicone all maximizes your racket's spin. It's ideal for players who hit hard the tennis ball and seek more potency.