DUNLOP - Black Widow String Feet Built for military-level durability with

Built for military-level durability with sapphire glass and ultra-long battery

Screen Material: Gorilla Glass

With reinforced stability

Durable vulcanized sole

DUNLOP - Black Widow String Feet Built for military-level durability withDESCRIPTION: The Black Widow performance strings offer exceptional speed and spin so you can dominate your opponent on every point. Engineered for a quicker rebound and higher bounce back rate at impact, the Black Widow strings help you add power and spin to your game. Execute the most demanding shots on the court with the Black Widow strings, designed to provide you with excellent spin and power. Premium polyester for unmatched power. Heptagonal