Kirschbaum Black Shark Tennis Racquet String, Reel 660ft/200m Size:17 (1.25mm) With a solid core wrapped

With a solid core wrapped with flexible filaments

Hard blows with explosive power

Diadem Impulse is perfect blend of comfort

this string was built for spin

Is perfectly suited to every game situation: It provides smooth or precise shots with good control

Kirschbaum Black Shark Tennis Racquet String, Reel 660ft/200m Size:17 (1.25mm) With a solid core wrappedThe Kirschbaum Black Shark tennis string is equipped with an octagonal teeth profile parallel to the string. Using a specially developed technique we accomplish peaks for an optimum grip at the ball to ensure the best slices and spin transfer. Made in Germany, Since 1987.