Solinco Hyper-G Round Tennis String is a new version of the ever-popular Hyper-G from Solinco. As its name suggests, this string features a slick round profile for better snapback than the shaped version. Hyper-G Round comes in many gauges to find the right match for your game. Since 2014, Hyper-G has endured as the top string choice for tennis players, keeping it at the cutting edge of performance and timeless design. Hyper-G Round was designed with a smooth surface to maximize court penetration, power, and control. The round shape enhances durability and performance when hybrided with synthetic, multifilament, or natural gut strings. Construction: Co-Polyester (Round Shape) Color: Green Gauges: 16 G / 1.30 mm | 16 L / 1.25 mm | 17 G / 1.20 mm | 18 G / 1.15 mm Length: 656 ft Features: -Hyper-G Round s smooth composition provides a consistent and uniform stringbed for better ball control. -The string s round profile delivers enhanced snapback, giving you the ability to generate strong spin on the ball. -Improved durability in hybrid setups as well