The Volkl V-Square 17g is a co-polyester string that stands out with its unique square profile, designed to maximize spin potential and control. Its sharp edges grip the ball for enhanced bite, making it ideal for players seeking to add more spin to their shots. Despite its firm construction, the string offers a surprisingly comfortable feel, thanks to Volkl's exclusive material that minimizes tension loss. With a power rating of 8, control rating of 9, and durability rating of 8, it's a versatile choice for players who want a balance of spin, control, and comfort.