<ul><li>Number 1 in SPIN String from USRSA Blind Playtests out of all strings ever tested</li><li>Seven sharp sides bite into the ball to deliver maximum spin</li><li>Medium powered string help you achieve the control you desire with huge cuts at the ball</li><li>Soft co-poly construction allow you to string as a full bed and not destroy your elbow</li><li>Black7 combines control with maximum spin</li><li>Take your game to the next level with Black7</li></ul><br><br>Tourna Black7 is a sharp 7-sided co-poly that really bites into the ball to create massive spin. Rated #1 in spin out of all strings ever tested from United States racquet Association. Known for its soft feel, its easy on the arm unlike many traditional poly medium range power and high control make this great for all players seeking spin and control in their game.

Tourna Big Hitter Black7 Ultimate Spin Polyester Tennis String 16g set (BHBK7-16)