The Kirschbaum Black Shark Tennis String is the latest update to Super Smash Spiky, using an octagonal (8-sided) profile to bite the ball for added topspin and slice.
This polyester string is surprisingly easy on the arm, while maintaining tension and durability.
|String Lenght||200m / 660 feet|
|Benefit||Arm Friendly, Durability, Spin|
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