Tecnifibre Triax is a multifilament string which has been constructed with firm polyester filaments, together with softer polyamide filaments. The first multifilament with co-polyester fibres. Triax offers high levels of control, durability and spin potential, so would make a great choice for harder hitters who require an arm friendly string.Triax uses Silicon Pyrogene Lubritec (SPL) coating that aids the snapback for topspin and protects against friction. 15% firmer for more spin and control 15% more shock absorption to keep you playing for longer 50% more durability Length: 200m Colour: Natural