The Head Graphene XT Extreme Light provides a combination of spin, power, and speed. Its graphene xt substance helps to lighten the racquet's weight. The power of the exploding racquet is immense. The racquet provides a blend of speed and accuracy when serving. Junior and intermediate players who want to switch to an adult frame will love it. It provides a lot of force and momentum. The string pattern of the racquet is 16x19.