The Babolat VS Touch natural gut 1.30mm tennis string set has a length of 12m (40ft), which is enough to fully re-string one racket. This legendary Babolat string ensures an unmatched performance & features now an enhanced BT7 coating increasing its durability by 15%. The VS Touch is designed to meet the needs of both club players & competitive players who will be amazed by an exceptional power & comfort delivered by this string as well as its excellent tension holding qualities. The Babolat VS Touch is made from first grade cow Serosa & has a gauge of 16 (1.30mm).