Wilson Ulitmate Duo Tennis String

Wilson Ultimate Duo Tennis String High Performance Hybrid. Boasting amazing durability, coupled with optimal power and control, Wilson's ultimate duo of the world's best monofilament with the worlds best multifilament is the greatest hybrid yet. Length: Mains: 21 feet / 6.5 meters Crosses: 21 feet / 6.5 meters Gauge: Mains: 16L gauge / 1.25mm Crosses: 16 gauge / 1.30mm Color: Mains: Silver Crosses: Natural