Baseliners rejoice with the introduction of Tourna Big Hitter Black 7 16 a Germanengineered copolyester string designed for medium power and impressive spin During the manufacturing process this string is extruded through a special dye to create a sharp seven sided string designed to grip and rip the ball To improve playability Big Hitter Black 7 was created with midrange power incredible precision and comfort in mind The copolyester nature of the string allows it to remain durable while maintaining flexibility for a softer feel than traditional poly strings Our testers were obviously most impressed with the spin generation of the string and the power level helped to keep balls deep with greater spin to dictate play from the baselineConstruction Copolyester MonofilamentColor BlackGauge 130Length 660 200m