Featuring a unique texture for increased bite, the Luxilon(R) 4G(R) Rough 16L Tennis String offers superior tension maintenance for enhanced performance and durability. Maximum Playability Textured version of the 4G(R) String for increased ball bite Surface denting increases flex for added power potential Maximum tension maintenance for long-lasting, high level play Key Specs Reel: 200m / 660' Gauge: 16L / 1.25mm Color: Gold Additional Details Luxilon