TECHNOLOGY: Virtually invisible Gel Phase Technology provides smooth handling, strong performance, and ultra-clarity Higher density index offers 4x speed increase compared to traditional nylon when getting presentation to the strike zone Abrasion-resistant High-sensitivity Practically memory-free due to inherent line qualities combined with exclusive G2 Precision Winding (TM) Style: 679-004C, 679-006C, 679-008C, 679-010C, 679-012C, 679-014C, 679-017C, 679-020C