Live Wire Professional offers gut-like performance featuring 50% more Live Wire Iso-Elastic fibers providing increased resiliency and elasticity for maximum power and feel. Plus, the NCP Tension fibers maintain tension longer with 20% more high impact urethane resin improving shock and vibration dampening. The Live Wire Professional's PEEK Abrasion Resistant Fibers increase string life and adds a crisp feel for more control. String is brand new, but may be bulk clear packaging w/o the colored insert.