Brand NEW! The iconic #1 string on tour, ALU Power comes in an all-new exclusive black color. Luxilon Big Banger ALU Power Black is the standard for playable durability in co-polyester tennis string. Extremely popular on the ATP Tour and ideal for big hitters and string breakers of all playing levels. Allows for a full swing to be taken at the ball without a loss of control. Co-polymer nylon, fluorocarbon resin, and aluminum fiber construction sets Big Banger ALU Power apart from the competition. 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--8 Power--10 Control--10 Comfort--9 ATTENTION: Luxilon advises to string approximately 10% lower than usual. Length: 40ft. (12m) Gauge: 16L (1.25mm) - All international buyers are responsible for all tax, duties and/or customs fees.