Rambo 68 has a 0.68 gauge and the perfect balance of maximum speed, control and durability. Offers high repulsion power and a clear hitting sound.
This ultra thin string has ultimate repulsion power and clear hitting sound 0.68mm/10m Core : Special Synthetic Multifilament Outer : Special Braded Synthetic Fiber
SUPER SERIES PREMIER 63 has a 0.63 is very trustworthy string that comes with great repulsion power and shock absorption to defend smashes.