SPIN to WIN. Babolat RPM Rough Tennis String brings ultimate spin to your game. You can literally feel the texture on the string. And that texture means more bite on every one of your shots. It’s no wonder that it’s widely used by the world’s top players, including Felix Auger-Aliassime. Made in France. Your strings are the engine of your racquet. Half of your racquet’s performance comes from your strings. Which means choosing the right string is important. Babolat invented tennis string in 1875. And they’ve been innovating ever since, so you can play your best and enjoy the game more than ever.