Diadem SG Ultra Tennis String Set ? 40ft Synthetic Gut with Remarkable Feel and Control The Diadem SG Ultra Tennis String Set delivers the perfect combination of comfort, feel, and durability at an affordable price. Designed with a soft nylon construction that resists fraying, SG Ultra allows beginners and intermediate players to swing confidently without sacrificing control. Ideal for full setups or hybrid combinations, SG Ultra pairs seamlessly with co-polys like Flash or Pro X or nylons like Impulse and Evolution, creating a customized blend of touch and power. Its low stiffness rating means it?s gentle on the arm and can be strung at standard tensions without issue. Key Features: Soft Nylon Core: Provides a plush feel and smooth control for developing players Anti-Fray Design: Maintains playability longer by resisting wear Great for Hybrids: Pairs well with both polyester and nylon strings for enhanced versatility Low Stiffness: Ideal for standard tension use and arm-friendly play Affordable Performance: High-quality stringing option at an entry-level price Specifications: Length: 40 feet / 12.2 meters Type: Synthetic Gut Colors Available: Black, Natural Gauges Available: 17 (1.25mm) 16 (1.30mm)