Alu power 125 is the top string on tour for a reason - the aluminium present in the string enhances playability to go along with impressive power and controlIts unique poly-ether-ether composition exceeds all quality standards for near-zero string varianceCompletely impervious to atmospheric conditions such as moisture, alu power delivers unrivalled consistent performanceIn-box Contents-12 metre string set; Length-12 m - 40 ft; Weight-22.7 Grams; Gauge-16L (1.25mm)