BG80 SP NO SUNRISE STICKER ORIGINAL "Power smashes with a solid feeling" A high modulus"VECTRAN" fiber is an advance material wrapped around a strong multifilament core of BG80 .It's ultra thin 0.68mm gauge gives players greater power for smashes . String tension recommendation; To ensure minimum "slack" VECTRAN tension should be 5-10% less than Bg65. MICRON 80 (BG80 ) Gauge :0.68mm/22GA Length: 10m/33ft . Materialconstruction Core: High Polymer nylon multifilament w/ VECTRAN Outer : Special braided oval shaped high polymer nylon fiber .