Introducing Pacific - the official string of the ATP Tour! Pacific PolyForce Xtreme 16L is a high-tech polyester string that is extremely durable yet provides excellent playability in the same vein as Luxilon ALU Power. Advanced monofilament formula and latest manufacturing technology for more spin, power, and durability. Optimal power and spin without sacrificing durability.Length: 40 ft. (12.2m)Gauge: 16L (1.25mm)Color: Light Orange