Solinco Hyper-G ROUND Tennis String (Single Pack) Engineered with a round profile to maximize court penetration Hyper-G Round features a smooth surface specially designed to improve court penetration, power, and directional control. This high-powered filament fiber is engineered with our proprietary chemical formula to create an explosive experience. Hyper-G Round thrives in hybrid setups, boosting the durability and performance in a poly-poly configuration or when hybrided with synthetic, multifilament, or natural gut strings. Recommended hybrid configurations include Hyper-G Round with Hyper-G and Hyper-G Soft. π Key Features: Aggressive Shotmaking: Increase your power and court penetration. Optimized Spin: Unlock more spin with Hyper-G Round's smooth profile, engineered for consistent snapback. Hybrid Durability: Include Hyper-G Round in a hybrid setup for enhanced durability. π Specifications: Color(s) Green Available Gauge 16 (1.30 mm), 16L (1.25 mm), 17 (1.20 mm), 18 (1.15 mm) Composition Co-Polyester Monofilament Length 12.2 m (40 ft) (Credit: Solinco)