The Head PWR Fusion 1.30mm tennis string set provides players with excellent power & comfort ensured by a unique construction comprising of four polyamide monofilament fibres at the core that are surrounded by multifilament layers. This special construction increases dampening & reduces tension loss to provide the player with an enormous shot power, a soft feeling & a superior comfort. The set is 12m (39.37ft) long, which is enough to re-string one racket & has a 16 (1.30mm) gauge.