The Head RIP Control 1.30mm tennis string set features a unique ribbon construction woven around a multifilament polyamide fibre core, which combined with a spin-textured surface ensures great topspin with maximum playability. This popular string provides the player with extra control & comfort during the game & features an impressive durability. It has a 16 (1.30mm) gauge & the set is 12m (40ft) long, which is enough to string one racket.