Durability / Power / ControlThe finest string for finesse. The string for players with excellent touch without compromise. Co-polymer fluorocarbon resin-new extra fiber.Big Banger ALU Power has all advantages of Luxilon Strings, plus:Very high durability for its fineness.A perfect touch and very good ball control.Very good resilience.Loss of Tension: Almost none.Very stable properties in time.Luxilon Ratings:Durability--8Power--10Control--10Comfort--9ATTENTION: Luxilon advises to string approximately 10% lower than usual.Length: 726ft. (220m)