Kirschbaum Helix Tennis String Reel - 660 ft. Gauge:17/1.25 Hit more winners with the

Hit more winners with the GC9-Flex Dual Carbon + Fiberglass Face

allowing players to place shots precisely with confidence

Four Color Options: Navy

The extended string bed acts like a trampoline

and easier to manage over long matches

Kirschbaum Helix Tennis String Reel - 660 ft. Gauge:17/1.25 Hit more winners with theThe Kirschbaum Helix Blue features a unique helical co polyester construction that creates exceptional ball pocketing for enhanced spin and control. Built for power hitters who want precision and consistent performance, it delivers impressive tension maintenance throughout the string's lifespan for reliable playability over time. Available in gauges 17 (1. 25mm) and 16 (1. 30mm), Helix Blue gives you the flexibility to match the string to your