BLACK CROWN PITON 7.0Black Crown Piton 7. 0 is an easy to play with racket from Black Crown that has advanced materials and therefore appeals to the large crowd and many players! The outer surface layer is a responsive 12K carbon fiber for increased response and below we find three layers of forgiving fiberglass. The surface has a ribbed pattern for increased grip in the ball during sliced shots. The soft core provides forgiving features and the player can easily add