(depending on head size of racquet and skill of stringer

This exotic material makes the string more playable while retaining its durability

Easy to use spray bottle

Zyex® technology also helps reduce tension less over time

Dunlop Black Widow 17 Ball Type_High Altitude (depending on head size ofInspired by one of the world's deadliest predators, Dunlop Black Widow 17 tennis string is the ultimate weapon for serious players. Premium polyester gives unmatched power and the heptagonal profile bites into the ball to provide exceptional spin generation. High tensile, monofilament premium polyester for extra durability. Heptagonal outer profile for maximum spin generation. Power: 7 Comfort: 7 Spin: 10 Durability: 8