The ProTour Lime is a soft co-poly with a great combination of spin; control and power. Ideal string for those players playing with a heavy racquet. If you are looking for a soft co-poly which holds tension very well, then the ProTour series is the string for you! This string offers you a SOFT yet powerful feel, while maintaining control and a nice "Pop" sensation when it hits the ball. Because of the round shape its ideal to use as a hybrid set up or full bed. Try this amazing new technology! Made in Germany where only the best tennis strings are made.