Color: Gold iSO-SPEED Energetic stores energy built in during production. The stored energy brings about the internal pre-tension that prevents the loss of tension. Even after extended periods of storage the rackets keep their original string tension. Energetic combines comfort, control, and durability. Composition: Combination of polyemide multi-filaments, polyester and polyolefin ribbons Gauge: 16g Length: 40' Durability: 9 Playability: 8 Type: Synthetic Tension: Multi-filament Misc.: Made in Austria

Keywords: Strings, Iso-Speed, Accessories, Racquets Sports Accessories, FR