The all new Signum Pro Hyperion offers a new optimized molecular structure offering outstanding power along with an incredible level of playability and comfort. Signum Pro Hyperion also holds tension remarkably well, offering a very high level of control and is among the most durable poly-based strings we have playtested to date. The unique diamond-black color looks great on nearly every racquet. Hyperion is part of the new Blackline® power series from Signum Pro destined to deliver high dynamic power co-poly strings with exceptional tension maintenance.

• Length: 40 ft/12m
• Gauge: 17L/1.18mm
• Color: Diamond- black
• Construction: Co-Polyester
• Advantage: Exceptional Durability, Comfort
And Minimal Tension Loss