Solinco Hybrid Tour Bite & Vanquish Heaven Tennis String Tour Bite 17 Gauge 1.20mm + Vanquish 16 Gauge 1.30mm Satisfaction Guaranteed Tour Bite 18 Gauge 1.15mm + Vanquish 16 Gauge 1.30mm Tour Bite 16L Gauge 1.25mm + Vanquish 16 Gauge 1.30mm The intense spin and extreme power of the Tour Bite comes together with the ultimate touch and control of the Vanquish to give you an unmatched hybrid providing the maximum amount of spin control power and touch.