Description: ALU Power is the top string on tour for a reason - the aluminum present in the string enhances playability to go along with impressive power and control. Its unique poly-ether-ether composition exceeds all quality standards for near-zero string variance. Completely impervious to atmospheric conditions such as moisture ALU Power delivers unrivaled consistent performance for championship-worthy results. Specifications: Product Name: Luxilon Big Banger ALU Power 130 16g Colors: Silver Gauge: 16g/(1.30mm) 17g/(1.25mm) 18g/(1.15mm) Length: 40 Type: Polyester Sport: Tennis Composition: Co-polymer Aluminum Fibers