The Solinco Hyper G is a string that can meet the needs of anyone who needs a lot of spin due to its square shape. This dynamic co-polyester string gives players a winning edge. This string has a unique square shape. This creates great friction on the ball and offers exceptional spin Solinco made this string for the top 50ATP player who has been looking for a string that is not too hard and not too soft, yet still able to swing a lot with a ball that doesnt fly too much.