GAMMA Live WireĀ® Professionalā¢ features an advanced string construction that offers gut-like performance while maintaining the comfort and playability of our Live WireĀ® string. Live WireĀ® Professionalā¢ incorporates 50% more Iso-elastic Fibers, NCP Tension Fibers for longer tension maintenance, and new PEEK abrasion resistant fibers woven within the outer wraps for enhanced durability. With this unique construction, you can trust that Live WireĀ® Professionalā¢ will deliver the crisp, solid feel preferred by top pros.